Prepair for advanced two words error correction

Change-Id: I4c8a21f0f6e349ddafd9b402583321a60855cfe8
diff --git a/native/src/defines.h b/native/src/defines.h
index 31175c3..d739043 100644
--- a/native/src/defines.h
+++ b/native/src/defines.h
@@ -117,8 +117,8 @@
 #define DEBUG_TRACE DEBUG_DICT_FULL
 #define DEBUG_PROXIMITY_INFO false
 #define DEBUG_CORRECTION false
-#define DEBUG_CORRECTION_FREQ true
-#define DEBUG_WORDS_PRIORITY_QUEUE true
+#define DEBUG_CORRECTION_FREQ false
+#define DEBUG_WORDS_PRIORITY_QUEUE false
 
 #else // FLAG_DBG
 
@@ -213,6 +213,8 @@
 #define SUB_QUEUE_MAX_WORDS 1
 #define SUB_QUEUE_MAX_COUNT 10
 
+#define TWO_WORDS_CORRECTION_THRESHOLD 0.22f
+
 #define MAX_DEPTH_MULTIPLIER 3
 
 // TODO: Reduce this constant if possible; check the maximum number of umlauts in the same German