diff --git a/native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp b/native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp
index 81e2ff5..440b963 100644
--- a/native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp
+++ b/native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp
@@ -259,20 +259,21 @@
         jintArray word) {
     Dictionary *dictionary = reinterpret_cast<Dictionary *>(dict);
     if (!dictionary) return NOT_A_PROBABILITY;
-    const jsize wordLength = env->GetArrayLength(word);
-    int codePoints[wordLength];
-    env->GetIntArrayRegion(word, 0, wordLength, codePoints);
-    return dictionary->getProbability(codePoints, wordLength);
+    const jsize codePointCount = env->GetArrayLength(word);
+    int codePoints[codePointCount];
+    env->GetIntArrayRegion(word, 0, codePointCount, codePoints);
+    return dictionary->getProbability(CodePointArrayView(codePoints, codePointCount));
 }
 
 static jint latinime_BinaryDictionary_getMaxProbabilityOfExactMatches(
         JNIEnv *env, jclass clazz, jlong dict, jintArray word) {
     Dictionary *dictionary = reinterpret_cast<Dictionary *>(dict);
     if (!dictionary) return NOT_A_PROBABILITY;
-    const jsize wordLength = env->GetArrayLength(word);
-    int codePoints[wordLength];
-    env->GetIntArrayRegion(word, 0, wordLength, codePoints);
-    return dictionary->getMaxProbabilityOfExactMatches(codePoints, wordLength);
+    const jsize codePointCount = env->GetArrayLength(word);
+    int codePoints[codePointCount];
+    env->GetIntArrayRegion(word, 0, codePointCount, codePoints);
+    return dictionary->getMaxProbabilityOfExactMatches(
+            CodePointArrayView(codePoints, codePointCount));
 }
 
 static jint latinime_BinaryDictionary_getNgramProbability(JNIEnv *env, jclass clazz,
@@ -285,7 +286,8 @@
     env->GetIntArrayRegion(word, 0, wordLength, wordCodePoints);
     const PrevWordsInfo prevWordsInfo = JniDataUtils::constructPrevWordsInfo(env,
             prevWordCodePointArrays, isBeginningOfSentenceArray);
-    return dictionary->getNgramProbability(&prevWordsInfo, wordCodePoints, wordLength);
+    return dictionary->getNgramProbability(&prevWordsInfo,
+            CodePointArrayView(wordCodePoints, wordLength));
 }
 
 // Method to iterate all words in the dictionary for makedict.
@@ -340,7 +342,8 @@
             return;
         }
     }
-    const WordProperty wordProperty = dictionary->getWordProperty(wordCodePoints, codePointCount);
+    const WordProperty wordProperty = dictionary->getWordProperty(
+            CodePointArrayView(wordCodePoints, codePointCount));
     wordProperty.outputProperties(env, outCodePoints, outFlags, outProbabilityInfo,
             outBigramTargets, outBigramProbabilityInfo, outShortcutTargets,
             outShortcutProbabilities);
@@ -366,7 +369,8 @@
     // Use 1 for count to indicate the word has inputted.
     const UnigramProperty unigramProperty(isBeginningOfSentence, isNotAWord,
             isBlacklisted, probability, timestamp, 0 /* level */, 1 /* count */, &shortcuts);
-    return dictionary->addUnigramEntry(codePoints, codePointCount, &unigramProperty);
+    return dictionary->addUnigramEntry(CodePointArrayView(codePoints, codePointCount),
+            &unigramProperty);
 }
 
 static bool latinime_BinaryDictionary_removeUnigramEntry(JNIEnv *env, jclass clazz, jlong dict,
@@ -378,7 +382,7 @@
     jsize codePointCount = env->GetArrayLength(word);
     int codePoints[codePointCount];
     env->GetIntArrayRegion(word, 0, codePointCount, codePoints);
-    return dictionary->removeUnigramEntry(codePoints, codePointCount);
+    return dictionary->removeUnigramEntry(CodePointArrayView(codePoints, codePointCount));
 }
 
 static bool latinime_BinaryDictionary_addNgramEntry(JNIEnv *env, jclass clazz, jlong dict,
@@ -410,10 +414,11 @@
     }
     const PrevWordsInfo prevWordsInfo = JniDataUtils::constructPrevWordsInfo(env,
             prevWordCodePointArrays, isBeginningOfSentenceArray);
-    jsize wordLength = env->GetArrayLength(word);
-    int wordCodePoints[wordLength];
-    env->GetIntArrayRegion(word, 0, wordLength, wordCodePoints);
-    return dictionary->removeNgramEntry(&prevWordsInfo, wordCodePoints, wordLength);
+    jsize codePointCount = env->GetArrayLength(word);
+    int wordCodePoints[codePointCount];
+    env->GetIntArrayRegion(word, 0, codePointCount, wordCodePoints);
+    return dictionary->removeNgramEntry(&prevWordsInfo,
+            CodePointArrayView(wordCodePoints, codePointCount));
 }
 
 // Returns how many language model params are processed.
@@ -484,7 +489,8 @@
         const UnigramProperty unigramProperty(false /* isBeginningOfSentence */, isNotAWord,
                 isBlacklisted, unigramProbability, timestamp, 0 /* level */, 1 /* count */,
                 &shortcuts);
-        dictionary->addUnigramEntry(word1CodePoints, word1Length, &unigramProperty);
+        dictionary->addUnigramEntry(CodePointArrayView(word1CodePoints, word1Length),
+                &unigramProperty);
         if (word0) {
             jint bigramProbability = env->GetIntField(languageModelParam, bigramProbabilityFieldId);
             const std::vector<int> bigramTargetCodePoints(
@@ -568,8 +574,8 @@
     // Add unigrams.
     do {
         token = dictionary->getNextWordAndNextToken(token, wordCodePoints, &wordCodePointCount);
-        const WordProperty wordProperty = dictionary->getWordProperty(wordCodePoints,
-                wordCodePointCount);
+        const WordProperty wordProperty = dictionary->getWordProperty(
+                CodePointArrayView(wordCodePoints, wordCodePointCount));
         if (wordCodePoints[0] == CODE_POINT_BEGINNING_OF_SENTENCE) {
             // Skip beginning-of-sentence unigram.
             continue;
@@ -593,8 +599,8 @@
     // Add bigrams.
     do {
         token = dictionary->getNextWordAndNextToken(token, wordCodePoints, &wordCodePointCount);
-        const WordProperty wordProperty = dictionary->getWordProperty(wordCodePoints,
-                wordCodePointCount);
+        const WordProperty wordProperty = dictionary->getWordProperty(
+                CodePointArrayView(wordCodePoints, wordCodePointCount));
         if (dictionaryStructureWithBufferPolicy->needsToRunGC(true /* mindsBlockByGC */)) {
             dictionaryStructureWithBufferPolicy = runGCAndGetNewStructurePolicy(
                     std::move(dictionaryStructureWithBufferPolicy), dictFilePathChars);
diff --git a/native/jni/src/suggest/core/dictionary/dictionary.cpp b/native/jni/src/suggest/core/dictionary/dictionary.cpp
index b843791..79967c6 100644
--- a/native/jni/src/suggest/core/dictionary/dictionary.cpp
+++ b/native/jni/src/suggest/core/dictionary/dictionary.cpp
@@ -102,21 +102,21 @@
     mDictionaryStructureWithBufferPolicy->iterateNgramEntries(prevWordIds, &listener);
 }
 
-int Dictionary::getProbability(const int *word, int length) const {
-    return getNgramProbability(nullptr /* prevWordsInfo */, word, length);
+int Dictionary::getProbability(const CodePointArrayView codePoints) const {
+    return getNgramProbability(nullptr /* prevWordsInfo */, codePoints);
 }
 
-int Dictionary::getMaxProbabilityOfExactMatches(const int *word, int length) const {
+int Dictionary::getMaxProbabilityOfExactMatches(const CodePointArrayView codePoints) const {
     TimeKeeper::setCurrentTime();
     return DictionaryUtils::getMaxProbabilityOfExactMatches(
-            mDictionaryStructureWithBufferPolicy.get(), word, length);
+            mDictionaryStructureWithBufferPolicy.get(), codePoints.data(), codePoints.size());
 }
 
-int Dictionary::getNgramProbability(const PrevWordsInfo *const prevWordsInfo, const int *word,
-        int length) const {
+int Dictionary::getNgramProbability(const PrevWordsInfo *const prevWordsInfo,
+        const CodePointArrayView codePoints) const {
     TimeKeeper::setCurrentTime();
-    int wordId = mDictionaryStructureWithBufferPolicy->getWordId(
-            CodePointArrayView(word, length), false /* forceLowerCaseSearch */);
+    const int wordId = mDictionaryStructureWithBufferPolicy->getWordId(codePoints,
+            false /* forceLowerCaseSearch */);
     if (wordId == NOT_A_WORD_ID) return NOT_A_PROBABILITY;
     if (!prevWordsInfo) {
         return getDictionaryStructurePolicy()->getProbabilityOfWord(WordIdArrayView(), wordId);
@@ -128,7 +128,7 @@
     return getDictionaryStructurePolicy()->getProbabilityOfWord(prevWordIds, wordId);
 }
 
-bool Dictionary::addUnigramEntry(const int *const word, const int length,
+bool Dictionary::addUnigramEntry(const CodePointArrayView codePoints,
         const UnigramProperty *const unigramProperty) {
     if (unigramProperty->representsBeginningOfSentence()
             && !mDictionaryStructureWithBufferPolicy->getHeaderStructurePolicy()
@@ -137,14 +137,12 @@
         return false;
     }
     TimeKeeper::setCurrentTime();
-    return mDictionaryStructureWithBufferPolicy->addUnigramEntry(CodePointArrayView(word, length),
-            unigramProperty);
+    return mDictionaryStructureWithBufferPolicy->addUnigramEntry(codePoints, unigramProperty);
 }
 
-bool Dictionary::removeUnigramEntry(const int *const codePoints, const int codePointCount) {
+bool Dictionary::removeUnigramEntry(const CodePointArrayView codePoints) {
     TimeKeeper::setCurrentTime();
-    return mDictionaryStructureWithBufferPolicy->removeUnigramEntry(
-            CodePointArrayView(codePoints, codePointCount));
+    return mDictionaryStructureWithBufferPolicy->removeUnigramEntry(codePoints);
 }
 
 bool Dictionary::addNgramEntry(const PrevWordsInfo *const prevWordsInfo,
@@ -154,10 +152,9 @@
 }
 
 bool Dictionary::removeNgramEntry(const PrevWordsInfo *const prevWordsInfo,
-        const int *const word, const int length) {
+        const CodePointArrayView codePoints) {
     TimeKeeper::setCurrentTime();
-    return mDictionaryStructureWithBufferPolicy->removeNgramEntry(prevWordsInfo,
-            CodePointArrayView(word, length));
+    return mDictionaryStructureWithBufferPolicy->removeNgramEntry(prevWordsInfo, codePoints);
 }
 
 bool Dictionary::flush(const char *const filePath) {
@@ -182,11 +179,9 @@
             maxResultLength);
 }
 
-const WordProperty Dictionary::getWordProperty(const int *const codePoints,
-        const int codePointCount) {
+const WordProperty Dictionary::getWordProperty(const CodePointArrayView codePoints) {
     TimeKeeper::setCurrentTime();
-    return mDictionaryStructureWithBufferPolicy->getWordProperty(
-            CodePointArrayView(codePoints, codePointCount));
+    return mDictionaryStructureWithBufferPolicy->getWordProperty(codePoints);
 }
 
 int Dictionary::getNextWordAndNextToken(const int token, int *const outCodePoints,
diff --git a/native/jni/src/suggest/core/dictionary/dictionary.h b/native/jni/src/suggest/core/dictionary/dictionary.h
index 0b54f30..f6482ab 100644
--- a/native/jni/src/suggest/core/dictionary/dictionary.h
+++ b/native/jni/src/suggest/core/dictionary/dictionary.h
@@ -72,23 +72,23 @@
     void getPredictions(const PrevWordsInfo *const prevWordsInfo,
             SuggestionResults *const outSuggestionResults) const;
 
-    int getProbability(const int *word, int length) const;
+    int getProbability(const CodePointArrayView codePoints) const;
 
-    int getMaxProbabilityOfExactMatches(const int *word, int length) const;
+    int getMaxProbabilityOfExactMatches(const CodePointArrayView codePoints) const;
 
     int getNgramProbability(const PrevWordsInfo *const prevWordsInfo,
-            const int *word, int length) const;
+            const CodePointArrayView codePoints) const;
 
-    bool addUnigramEntry(const int *const codePoints, const int codePointCount,
+    bool addUnigramEntry(const CodePointArrayView codePoints,
             const UnigramProperty *const unigramProperty);
 
-    bool removeUnigramEntry(const int *const codePoints, const int codePointCount);
+    bool removeUnigramEntry(const CodePointArrayView codePoints);
 
     bool addNgramEntry(const PrevWordsInfo *const prevWordsInfo,
             const BigramProperty *const bigramProperty);
 
-    bool removeNgramEntry(const PrevWordsInfo *const prevWordsInfo, const int *const word,
-            const int length);
+    bool removeNgramEntry(const PrevWordsInfo *const prevWordsInfo,
+            const CodePointArrayView codePoints);
 
     bool flush(const char *const filePath);
 
@@ -99,7 +99,7 @@
     void getProperty(const char *const query, const int queryLength, char *const outResult,
             const int maxResultLength);
 
-    const WordProperty getWordProperty(const int *const codePoints, const int codePointCount);
+    const WordProperty getWordProperty(const CodePointArrayView codePoints);
 
     // Method to iterate all words in the dictionary.
     // The returned token has to be used to get the next word. If token is 0, this method newly