ICU update to 54.1 - step 5

source/common/dictbe.cpp

Index: source/common/dictbe.cpp
diff --git a/source/common/dictbe.cpp b/source/common/dictbe.cpp
index c5aa45490452c8f7fc6483c2f257a5428e816e8f..88e9139ecea133a2aeee2eb082aab6469f696a72 100644
--- a/source/common/dictbe.cpp
+++ b/source/common/dictbe.cpp
@@ -832,11 +832,11 @@ foundBest:
 static const int32_t KHMER_LOOKAHEAD = 3;
 
 // Will not combine a non-word with a preceding dictionary word longer than this
-static const int32_t KHMER_ROOT_COMBINE_THRESHOLD = 3;
+static const int32_t KHMER_ROOT_COMBINE_THRESHOLD = 10;
 
 // Will not combine a non-word that shares at least this much prefix with a
 // dictionary word, with a preceding word
-static const int32_t KHMER_PREFIX_COMBINE_THRESHOLD = 3;
+static const int32_t KHMER_PREFIX_COMBINE_THRESHOLD = 5;
 
 // Minimum word size
 static const int32_t KHMER_MIN_WORD = 2;