Index: graphspell/ibdawg.py
==================================================================
--- graphspell/ibdawg.py
+++ graphspell/ibdawg.py
@@ -174,10 +174,11 @@
 
     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() }
 
     def getInfo (self):
         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" \
                 "  Arcs values:  {0.nArcVal:>10,} = {0.nChar:>5,} characters,  {0.nAff:>6,} affixes,  {0.nTag:>6,} tags\n" \