diff --git a/native/jni/NativeFileList.mk b/native/jni/NativeFileList.mk
index 3da9d56..1031903 100644
--- a/native/jni/NativeFileList.mk
+++ b/native/jni/NativeFileList.mk
@@ -32,7 +32,7 @@
         digraph_utils.cpp \
         error_type_utils.cpp \
         multi_bigram_map.cpp \
-        word_property.cpp) \
+        property/word_property.cpp) \
     $(addprefix suggest/core/layout/, \
         additional_proximity_chars.cpp \
         proximity_info.cpp \
diff --git a/native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp b/native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp
index bf03fdf..a102344 100644
--- a/native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp
+++ b/native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp
@@ -24,7 +24,7 @@
 #include "jni.h"
 #include "jni_common.h"
 #include "suggest/core/dictionary/dictionary.h"
-#include "suggest/core/dictionary/word_property.h"
+#include "suggest/core/dictionary/property/word_property.h"
 #include "suggest/core/result/suggestion_results.h"
 #include "suggest/core/suggest_options.h"
 #include "suggest/policyimpl/dictionary/structure/dictionary_structure_with_buffer_policy_factory.h"
diff --git a/native/jni/src/suggest/core/dictionary/dictionary.h b/native/jni/src/suggest/core/dictionary/dictionary.h
index a134516..6b77565 100644
--- a/native/jni/src/suggest/core/dictionary/dictionary.h
+++ b/native/jni/src/suggest/core/dictionary/dictionary.h
@@ -22,7 +22,7 @@
 #include "defines.h"
 #include "jni.h"
 #include "suggest/core/dictionary/bigram_dictionary.h"
-#include "suggest/core/dictionary/word_property.h"
+#include "suggest/core/dictionary/property/word_property.h"
 #include "suggest/core/policy/dictionary_header_structure_policy.h"
 #include "suggest/core/policy/dictionary_structure_with_buffer_policy.h"
 #include "suggest/core/suggest_interface.h"
diff --git a/native/jni/src/suggest/core/dictionary/property/bigram_property.h b/native/jni/src/suggest/core/dictionary/property/bigram_property.h
new file mode 100644
index 0000000..8d3429b
--- /dev/null
+++ b/native/jni/src/suggest/core/dictionary/property/bigram_property.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef LATINIME_BIGRAM_PROPERTY_H
+#define LATINIME_BIGRAM_PROPERTY_H
+
+#include <vector>
+
+#include "defines.h"
+
+namespace latinime {
+
+class BigramProperty {
+ public:
+    BigramProperty(const std::vector<int> *const targetCodePoints,
+            const int probability, const int timestamp, const int level, const int count)
+            : mTargetCodePoints(*targetCodePoints), mProbability(probability),
+              mTimestamp(timestamp), mLevel(level), mCount(count) {}
+
+    const std::vector<int> *getTargetCodePoints() const {
+        return &mTargetCodePoints;
+    }
+
+    int getProbability() const {
+        return mProbability;
+    }
+
+    int getTimestamp() const {
+        return mTimestamp;
+    }
+
+    int getLevel() const {
+        return mLevel;
+    }
+
+    int getCount() const {
+        return mCount;
+    }
+
+ private:
+    // Default copy constructor and assign operator are used for using in std::vector.
+    DISALLOW_DEFAULT_CONSTRUCTOR(BigramProperty);
+
+    // TODO: Make members const.
+    std::vector<int> mTargetCodePoints;
+    int mProbability;
+    int mTimestamp;
+    int mLevel;
+    int mCount;
+};
+} // namespace latinime
+#endif // LATINIME_WORD_PROPERTY_H
diff --git a/native/jni/src/suggest/core/dictionary/property/unigram_property.h b/native/jni/src/suggest/core/dictionary/property/unigram_property.h
new file mode 100644
index 0000000..d255105
--- /dev/null
+++ b/native/jni/src/suggest/core/dictionary/property/unigram_property.h
@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef LATINIME_UNIGRAM_PROPERTY_H
+#define LATINIME_UNIGRAM_PROPERTY_H
+
+#include <vector>
+
+#include "defines.h"
+
+namespace latinime {
+
+class UnigramProperty {
+ public:
+    class ShortcutProperty {
+     public:
+        ShortcutProperty(const std::vector<int> *const targetCodePoints, const int probability)
+                : mTargetCodePoints(*targetCodePoints), mProbability(probability) {}
+
+        const std::vector<int> *getTargetCodePoints() const {
+            return &mTargetCodePoints;
+        }
+
+        int getProbability() const {
+            return mProbability;
+        }
+
+     private:
+        // Default copy constructor and assign operator are used for using in std::vector.
+        DISALLOW_DEFAULT_CONSTRUCTOR(ShortcutProperty);
+
+        // TODO: Make members const.
+        std::vector<int> mTargetCodePoints;
+        int mProbability;
+    };
+
+    UnigramProperty()
+            : mIsNotAWord(false), mIsBlacklisted(false), mProbability(NOT_A_PROBABILITY),
+              mTimestamp(NOT_A_TIMESTAMP), mLevel(0), mCount(0), mShortcuts() {}
+
+    UnigramProperty(const bool isNotAWord, const bool isBlacklisted, const int probability,
+            const int timestamp, const int level, const int count,
+            const std::vector<ShortcutProperty> *const shortcuts)
+            : mIsNotAWord(isNotAWord), mIsBlacklisted(isBlacklisted), mProbability(probability),
+              mTimestamp(timestamp), mLevel(level), mCount(count), mShortcuts(*shortcuts) {}
+
+    bool isNotAWord() const {
+        return mIsNotAWord;
+    }
+
+    bool isBlacklisted() const {
+        return mIsBlacklisted;
+    }
+
+    bool hasShortcuts() const {
+        return !mShortcuts.empty();
+    }
+
+    int getProbability() const {
+        return mProbability;
+    }
+
+    int getTimestamp() const {
+        return mTimestamp;
+    }
+
+    int getLevel() const {
+        return mLevel;
+    }
+
+    int getCount() const {
+        return mCount;
+    }
+
+    const std::vector<ShortcutProperty> &getShortcuts() const {
+        return mShortcuts;
+    }
+
+ private:
+    // Default copy constructor is used for using as a return value.
+    DISALLOW_ASSIGNMENT_OPERATOR(UnigramProperty);
+
+    // TODO: Make members const.
+    bool mIsNotAWord;
+    bool mIsBlacklisted;
+    int mProbability;
+    // Historical information
+    int mTimestamp;
+    int mLevel;
+    int mCount;
+    std::vector<ShortcutProperty> mShortcuts;
+};
+} // namespace latinime
+#endif // LATINIME_UNIGRAM_PROPERTY_H
diff --git a/native/jni/src/suggest/core/dictionary/word_property.cpp b/native/jni/src/suggest/core/dictionary/property/word_property.cpp
similarity index 75%
rename from native/jni/src/suggest/core/dictionary/word_property.cpp
rename to native/jni/src/suggest/core/dictionary/property/word_property.cpp
index 4733118..95608dc 100644
--- a/native/jni/src/suggest/core/dictionary/word_property.cpp
+++ b/native/jni/src/suggest/core/dictionary/property/word_property.cpp
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "suggest/core/dictionary/word_property.h"
+#include "suggest/core/dictionary/property/word_property.h"
 
 namespace latinime {
 
@@ -23,9 +23,12 @@
         jobject outBigramProbabilities, jobject outShortcutTargets,
         jobject outShortcutProbabilities) const {
     env->SetIntArrayRegion(outCodePoints, 0 /* start */, mCodePoints.size(), &mCodePoints[0]);
-    jboolean flags[] = {mIsNotAWord, mIsBlacklisted, mHasBigrams, mHasShortcuts};
+
+    jboolean flags[] = {mUnigramProperty.isNotAWord(), mUnigramProperty.isBlacklisted(),
+            !mBigrams.empty(), mUnigramProperty.hasShortcuts()};
     env->SetBooleanArrayRegion(outFlags, 0 /* start */, NELEMS(flags), flags);
-    int probabilityInfo[] = {mProbability, mTimestamp, mLevel, mCount};
+    int probabilityInfo[] = {mUnigramProperty.getProbability(), mUnigramProperty.getTimestamp(),
+            mUnigramProperty.getLevel(), mUnigramProperty.getCount()};
     env->SetIntArrayRegion(outProbabilityInfo, 0 /* start */, NELEMS(probabilityInfo),
             probabilityInfo);
 
@@ -35,19 +38,17 @@
     jmethodID addMethodId = env->GetMethodID(arrayListClass, "add", "(Ljava/lang/Object;)Z");
 
     // Output bigrams.
-    const int bigramCount = mBigrams.size();
-    for (int i = 0; i < bigramCount; ++i) {
-        const BigramProperty *const bigramProperty = &mBigrams[i];
-        const std::vector<int> *const word1CodePoints = bigramProperty->getTargetCodePoints();
+    for (const auto &bigramProperty : mBigrams) {
+        const std::vector<int> *const word1CodePoints = bigramProperty.getTargetCodePoints();
         jintArray bigramWord1CodePointArray = env->NewIntArray(word1CodePoints->size());
         env->SetIntArrayRegion(bigramWord1CodePointArray, 0 /* start */,
-                word1CodePoints->size(), &word1CodePoints->at(0));
+                word1CodePoints->size(), word1CodePoints->data());
         env->CallBooleanMethod(outBigramTargets, addMethodId, bigramWord1CodePointArray);
         env->DeleteLocalRef(bigramWord1CodePointArray);
 
-        int bigramProbabilityInfo[] = {bigramProperty->getProbability(),
-                bigramProperty->getTimestamp(), bigramProperty->getLevel(),
-                bigramProperty->getCount()};
+        int bigramProbabilityInfo[] = {bigramProperty.getProbability(),
+                bigramProperty.getTimestamp(), bigramProperty.getLevel(),
+                bigramProperty.getCount()};
         jintArray bigramProbabilityInfoArray = env->NewIntArray(NELEMS(bigramProbabilityInfo));
         env->SetIntArrayRegion(bigramProbabilityInfoArray, 0 /* start */,
                 NELEMS(bigramProbabilityInfo), bigramProbabilityInfo);
@@ -56,16 +57,15 @@
     }
 
     // Output shortcuts.
-    const int shortcutTargetCount = mShortcuts.size();
-    for (int i = 0; i < shortcutTargetCount; ++i) {
-        const std::vector<int> *const targetCodePoints = mShortcuts[i].getTargetCodePoints();
+    for (const auto &shortcut : mUnigramProperty.getShortcuts()) {
+        const std::vector<int> *const targetCodePoints = shortcut.getTargetCodePoints();
         jintArray shortcutTargetCodePointArray = env->NewIntArray(targetCodePoints->size());
         env->SetIntArrayRegion(shortcutTargetCodePointArray, 0 /* start */,
-                targetCodePoints->size(), &targetCodePoints->at(0));
+                targetCodePoints->size(), targetCodePoints->data());
         env->CallBooleanMethod(outShortcutTargets, addMethodId, shortcutTargetCodePointArray);
         env->DeleteLocalRef(shortcutTargetCodePointArray);
         jobject integerProbability = env->NewObject(integerClass, intToIntegerConstructorId,
-                mShortcuts[i].getProbability());
+                shortcut.getProbability());
         env->CallBooleanMethod(outShortcutProbabilities, addMethodId, integerProbability);
         env->DeleteLocalRef(integerProbability);
     }
diff --git a/native/jni/src/suggest/core/dictionary/property/word_property.h b/native/jni/src/suggest/core/dictionary/property/word_property.h
new file mode 100644
index 0000000..5519a91
--- /dev/null
+++ b/native/jni/src/suggest/core/dictionary/property/word_property.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef LATINIME_WORD_PROPERTY_H
+#define LATINIME_WORD_PROPERTY_H
+
+#include <vector>
+
+#include "defines.h"
+#include "jni.h"
+#include "suggest/core/dictionary/property/bigram_property.h"
+#include "suggest/core/dictionary/property/unigram_property.h"
+
+namespace latinime {
+
+// This class is used for returning information belonging to a word to java side.
+class WordProperty {
+ public:
+    // Default constructor is used to create an instance that indicates an invalid word.
+    WordProperty()
+            : mCodePoints(), mUnigramProperty(), mBigrams() {}
+
+    WordProperty(const std::vector<int> *const codePoints,
+            const UnigramProperty *const unigramProperty,
+            const std::vector<BigramProperty> *const bigrams)
+            : mCodePoints(*codePoints), mUnigramProperty(*unigramProperty), mBigrams(*bigrams) {}
+
+    void outputProperties(JNIEnv *const env, jintArray outCodePoints, jbooleanArray outFlags,
+            jintArray outProbabilityInfo, jobject outBigramTargets, jobject outBigramProbabilities,
+            jobject outShortcutTargets, jobject outShortcutProbabilities) const;
+
+ private:
+    // Default copy constructor is used for using as a return value.
+    DISALLOW_ASSIGNMENT_OPERATOR(WordProperty);
+
+    const std::vector<int> mCodePoints;
+    const UnigramProperty mUnigramProperty;
+    const std::vector<BigramProperty> mBigrams;
+};
+} // namespace latinime
+#endif // LATINIME_WORD_PROPERTY_H
diff --git a/native/jni/src/suggest/core/dictionary/word_property.h b/native/jni/src/suggest/core/dictionary/word_property.h
deleted file mode 100644
index 40b1a91..0000000
--- a/native/jni/src/suggest/core/dictionary/word_property.h
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef LATINIME_WORD_PROPERTY_H
-#define LATINIME_WORD_PROPERTY_H
-
-#include <cstring>
-#include <vector>
-
-#include "defines.h"
-#include "jni.h"
-
-namespace latinime {
-
-// This class is used for returning information belonging to a word to java side.
-class WordProperty {
- public:
-    class BigramProperty {
-     public:
-        BigramProperty(const std::vector<int> *const targetCodePoints,
-                const int probability, const int timestamp, const int level, const int count)
-                : mTargetCodePoints(*targetCodePoints), mProbability(probability),
-                  mTimestamp(timestamp), mLevel(level), mCount(count) {}
-
-        const std::vector<int> *getTargetCodePoints() const {
-            return &mTargetCodePoints;
-        }
-
-        int getProbability() const {
-            return mProbability;
-        }
-
-        int getTimestamp() const {
-            return mTimestamp;
-        }
-
-        int getLevel() const {
-            return mLevel;
-        }
-
-        int getCount() const {
-            return mCount;
-        }
-
-     private:
-        std::vector<int> mTargetCodePoints;
-        int mProbability;
-        int mTimestamp;
-        int mLevel;
-        int mCount;
-    };
-
-    class ShortcutProperty {
-     public:
-        ShortcutProperty(const std::vector<int> *const targetCodePoints, const int probability)
-                : mTargetCodePoints(*targetCodePoints), mProbability(probability) {}
-
-        const std::vector<int> *getTargetCodePoints() const {
-            return &mTargetCodePoints;
-        }
-
-        int getProbability() const {
-            return mProbability;
-        }
-
-     private:
-        std::vector<int> mTargetCodePoints;
-        int mProbability;
-    };
-
-    // Invalid word.
-    WordProperty()
-            : mCodePoints(), mIsNotAWord(false), mIsBlacklisted(false),
-              mHasBigrams(false), mHasShortcuts(false), mProbability(NOT_A_PROBABILITY),
-              mTimestamp(0), mLevel(0), mCount(0), mBigrams(), mShortcuts() {}
-
-    WordProperty(const std::vector<int> *const codePoints,
-            const bool isNotAWord, const bool isBlacklisted, const bool hasBigrams,
-            const bool hasShortcuts, const int probability, const int timestamp,
-            const int level, const int count, const std::vector<BigramProperty> *const bigrams,
-            const std::vector<ShortcutProperty> *const shortcuts)
-            : mCodePoints(*codePoints), mIsNotAWord(isNotAWord), mIsBlacklisted(isBlacklisted),
-              mHasBigrams(hasBigrams), mHasShortcuts(hasShortcuts), mProbability(probability),
-              mTimestamp(timestamp), mLevel(level), mCount(count), mBigrams(*bigrams),
-              mShortcuts(*shortcuts) {}
-
-    void outputProperties(JNIEnv *const env, jintArray outCodePoints, jbooleanArray outFlags,
-            jintArray outProbabilityInfo, jobject outBigramTargets, jobject outBigramProbabilities,
-            jobject outShortcutTargets, jobject outShortcutProbabilities) const;
-
- private:
-    DISALLOW_ASSIGNMENT_OPERATOR(WordProperty);
-
-    std::vector<int> mCodePoints;
-    bool mIsNotAWord;
-    bool mIsBlacklisted;
-    bool mHasBigrams;
-    bool mHasShortcuts;
-    int mProbability;
-    // Historical information
-    int mTimestamp;
-    int mLevel;
-    int mCount;
-    std::vector<BigramProperty> mBigrams;
-    std::vector<ShortcutProperty> mShortcuts;
-};
-} // namespace latinime
-#endif // LATINIME_WORD_PROPERTY_H
diff --git a/native/jni/src/suggest/core/policy/dictionary_structure_with_buffer_policy.h b/native/jni/src/suggest/core/policy/dictionary_structure_with_buffer_policy.h
index b6dc7d0..ae2e7a8 100644
--- a/native/jni/src/suggest/core/policy/dictionary_structure_with_buffer_policy.h
+++ b/native/jni/src/suggest/core/policy/dictionary_structure_with_buffer_policy.h
@@ -20,7 +20,7 @@
 #include <memory>
 
 #include "defines.h"
-#include "suggest/core/dictionary/word_property.h"
+#include "suggest/core/dictionary/property/word_property.h"
 
 namespace latinime {
 
diff --git a/native/jni/src/suggest/policyimpl/dictionary/structure/v2/patricia_trie_policy.cpp b/native/jni/src/suggest/policyimpl/dictionary/structure/v2/patricia_trie_policy.cpp
index 4e795f8..b426dbf 100644
--- a/native/jni/src/suggest/policyimpl/dictionary/structure/v2/patricia_trie_policy.cpp
+++ b/native/jni/src/suggest/policyimpl/dictionary/structure/v2/patricia_trie_policy.cpp
@@ -339,7 +339,7 @@
     std::vector<int> codePointVector(ptNodeParams.getCodePoints(),
             ptNodeParams.getCodePoints() + ptNodeParams.getCodePointCount());
     // Fetch bigram information.
-    std::vector<WordProperty::BigramProperty> bigrams;
+    std::vector<BigramProperty> bigrams;
     const int bigramListPos = getBigramsPositionOfPtNode(ptNodePos);
     int bigramWord1CodePoints[MAX_WORD_LENGTH];
     BinaryDictionaryBigramsIterator bigramsIt(getBigramsStructurePolicy(), bigramListPos);
@@ -360,7 +360,7 @@
         }
     }
     // Fetch shortcut information.
-    std::vector<WordProperty::ShortcutProperty> shortcuts;
+    std::vector<UnigramProperty::ShortcutProperty> shortcuts;
     int shortcutPos = getShortcutPositionOfPtNode(ptNodePos);
     if (shortcutPos != NOT_A_DICT_POS) {
         int shortcutTargetCodePoints[MAX_WORD_LENGTH];
@@ -379,11 +379,10 @@
             shortcuts.emplace_back(&shortcutTarget, shortcutProbability);
         }
     }
-    return WordProperty(&codePointVector, ptNodeParams.isNotAWord(),
-            ptNodeParams.isBlacklisted(), ptNodeParams.hasBigrams(),
-            ptNodeParams.hasShortcutTargets(), ptNodeParams.getProbability(),
-            NOT_A_TIMESTAMP /* timestamp */, 0 /* level */, 0 /* count */,
-            &bigrams, &shortcuts);
+    const UnigramProperty unigramProperty(ptNodeParams.isNotAWord(),
+            ptNodeParams.isBlacklisted(), ptNodeParams.getProbability(),
+            NOT_A_TIMESTAMP /* timestamp */, 0 /* level */, 0 /* count */, &shortcuts);
+    return WordProperty(&codePointVector, &unigramProperty, &bigrams);
 }
 
 int PatriciaTriePolicy::getNextWordAndNextToken(const int token, int *const outCodePoints) {
diff --git a/native/jni/src/suggest/policyimpl/dictionary/structure/v4/ver4_patricia_trie_policy.cpp b/native/jni/src/suggest/policyimpl/dictionary/structure/v4/ver4_patricia_trie_policy.cpp
index 107ddab..6cf8409 100644
--- a/native/jni/src/suggest/policyimpl/dictionary/structure/v4/ver4_patricia_trie_policy.cpp
+++ b/native/jni/src/suggest/policyimpl/dictionary/structure/v4/ver4_patricia_trie_policy.cpp
@@ -20,7 +20,9 @@
 
 #include "suggest/core/dicnode/dic_node.h"
 #include "suggest/core/dicnode/dic_node_vector.h"
-#include "suggest/core/dictionary/word_property.h"
+#include "suggest/core/dictionary/property/bigram_property.h"
+#include "suggest/core/dictionary/property/unigram_property.h"
+#include "suggest/core/dictionary/property/word_property.h"
 #include "suggest/policyimpl/dictionary/structure/pt_common/dynamic_pt_reading_helper.h"
 #include "suggest/policyimpl/dictionary/structure/v4/ver4_patricia_trie_node_reader.h"
 #include "suggest/policyimpl/dictionary/utils/forgetting_curve_utils.h"
@@ -358,7 +360,7 @@
                     ptNodeParams.getTerminalId());
     const HistoricalInfo *const historicalInfo = probabilityEntry.getHistoricalInfo();
     // Fetch bigram information.
-    std::vector<WordProperty::BigramProperty> bigrams;
+    std::vector<BigramProperty> bigrams;
     const int bigramListPos = getBigramsPositionOfPtNode(ptNodePos);
     if (bigramListPos != NOT_A_DICT_POS) {
         int bigramWord1CodePoints[MAX_WORD_LENGTH];
@@ -395,7 +397,7 @@
         }
     }
     // Fetch shortcut information.
-    std::vector<WordProperty::ShortcutProperty> shortcuts;
+    std::vector<UnigramProperty::ShortcutProperty> shortcuts;
     int shortcutPos = getShortcutPositionOfPtNode(ptNodePos);
     if (shortcutPos != NOT_A_DICT_POS) {
         int shortcutTarget[MAX_WORD_LENGTH];
@@ -411,11 +413,11 @@
             shortcuts.emplace_back(&target, shortcutProbability);
         }
     }
-    return WordProperty(&codePointVector, ptNodeParams.isNotAWord(),
-            ptNodeParams.isBlacklisted(), ptNodeParams.hasBigrams(),
-            ptNodeParams.hasShortcutTargets(), ptNodeParams.getProbability(),
+    const UnigramProperty unigramProperty(ptNodeParams.isNotAWord(),
+            ptNodeParams.isBlacklisted(), ptNodeParams.getProbability(),
             historicalInfo->getTimeStamp(), historicalInfo->getLevel(),
-            historicalInfo->getCount(), &bigrams, &shortcuts);
+            historicalInfo->getCount(), &shortcuts);
+    return WordProperty(&codePointVector, &unigramProperty, &bigrams);
 }
 
 int Ver4PatriciaTriePolicy::getNextWordAndNextToken(const int token, int *const outCodePoints) {