@@ -138,11 +138,10 @@
         }
         // <dChar> to get the value of an arc, <dCharVal> to get the char of an arc with its value
         this.dChar = helpers.objectToMap(this.dChar);
         this.dCharVal = this.dChar.gl_reverse();
         this.a2grams = new Set(this.l2grams);
-        //console.log(this.l2grams);
 
         if (this.cStemming == "S") {
             this.funcStemming = str_transform.changeWordWithSuffixCode;
         } else if (this.cStemming == "A") {
             this.funcStemming = str_transform.changeWordWithAffixCode;
@@ -406,12 +405,11 @@
 
     isNgramsOK (sChars) {
         if (sChars.length != 2) {
             return true;
         }
-        return this.a2grams.has(sChars); //slower than indexOf in an Array?
-        //return this.l2grams.indexOf(sChars) !== false;
+        return this.a2grams.has(sChars);
     }
 
     * _getCharArcs (iAddr) {
         // generator: yield all chars and addresses from node at address <iAddr>
         for (let [nVal, jAddr] of this._getArcs(iAddr)) {