diff --git a/consts.js b/consts.js
index 8e0b4f69..2ead0181 100644
--- a/consts.js
+++ b/consts.js
@@ -29,6 +29,8 @@ var thirteenStrings = [
     "https://s3.amazonaws.com/rapgenius/calle13.jpg", // Calle 13, famous latin american band
 
     "sharon carter", // Agent 13
+  
+    "Triskaidekaphobia" // extreme superstition regarding the number 13.
 
     "end of slavery", // Thirteenth Amendment
 
@@ -311,7 +313,12 @@ var thirteenStrings = [
     "Sip Sam", // Thai Transcription with space
     "тринадцять", // Ukrainian
     "تیرہ", // Urdu
-    "mười ba", // Vietnamese
+  
+    // Vietnamese variants
+    "mười ba", // formal
+    "thập tam", // Sino-Vietnamese
+    // End of all Vietnamese variants  
+  
     "tri ar ddeg", // Welsh
     "דרייַצן", // Yiddish,
     "דרייצן", // Yiddish (without diacritics),