@@ -188,11 +188,11 @@
     def _initJSON (self, oJSON):
         "initialize with a JSON text file"
         self.__dict__.update(oJSON)
         self.byDic = binascii.unhexlify(self.sByDic)
         self.dCharVal = { v: k  for k, v in self.dChar.items() }
-        self.a2grams = set(self.l2grams)
+        self.a2grams = set(self.l2grams)  if hasattr(self, 'l2grams')  else None
 
     def getInfo (self):
         "return string about the IBDAWG"
         return  "  Language: {0.sLangName}   Lang code: {0.sLangCode}   Dictionary name: {0.sDicName}" \
                 "  Compression method: {0.nCompressionMethod:>2}   Date: {0.sDate}   Stemming: {0.cStemming}FX\n" \
@@ -356,10 +356,12 @@
                 for sRepl in cp.dFinal1.get(sRemain, ()):
                     self._suggest(oSuggResult, sRepl, nMaxSwitch, nMaxDel, nMaxHardRepl, nMaxJump, nDist, nDeep+1, iAddr, sNewWord, True)
 
     def isNgramsOK (self, sChars):
         if len(sChars) != 2:
+            return True
+        if not self.a2grams:
             return True
         return sChars in self.a2grams
 
     #@timethis
     def suggest2 (self, sWord, nSuggLimit=10):