diff --git a/wgamesolv.py b/wgamesolv.py
index f894d70..23cdf84 100755
--- a/wgamesolv.py
+++ b/wgamesolv.py
@@ -20,13 +20,9 @@ def noDouble(mots):
     # Fonction d'élimination de mots contenant plusieurs occurences de lettres
     ndList = []
     for mot in mots:
-        llist = []
-        for lettre in mot:
-            if lettre not in llist:
-                llist.append(lettre)
-        if len(mot) == len(llist):
+        if len(list(mot)) == len(set(list(mot))):
             ndList.append(mot)
-    return(ndList)
+    return ndList
 
 
 def firstTryFilter(mots, max_mots):