Index: graphspell-js/ibdawg.js
==================================================================
--- graphspell-js/ibdawg.js
+++ graphspell-js/ibdawg.js
@@ -138,10 +138,11 @@
         }
         // <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;
@@ -311,10 +312,11 @@
         return l;
     }
 
     suggest (sWord, nSuggLimit=10) {
         // returns a array of suggestions for <sWord>
+        //const t0 = Date.now();
         sWord = char_player.spellingNormalization(sWord)
         let sPfx = "";
         let sSfx = "";
         [sPfx, sWord, sSfx] = char_player.cut(sWord);
         let nMaxSwitch = Math.max(Math.floor(sWord.length / 3), 1);
@@ -326,10 +328,12 @@
         let aSugg = oSuggResult.getSuggestions(nSuggLimit);
         if (sSfx || sPfx) {
             // we add what we removed
             return aSugg.map( (sSugg) => { return sPfx + sSugg + sSfx } );
         }
+        //const t1 = Date.now();
+        //console.log("Suggestions for " + sWord + " in " + ((t1-t0)/1000).toString() + " s");
         return aSugg;
     }
 
     _suggest (oSuggResult, sRemain, nMaxSwitch=0, nMaxDel=0, nMaxHardRepl=0, nMaxJump=0, nDist=0, nDeep=0, iAddr=0, sNewWord="", bAvoidLoop=false) {
         // returns a set of suggestions
@@ -402,11 +406,12 @@
 
     isNgramsOK (sChars) {
         if (sChars.length != 2) {
             return true;
         }
-        return this.a2grams.has(sChars);
+        return this.a2grams.has(sChars); //slower than indexOf in an Array?
+        //return this.l2grams.indexOf(sChars) !== false;
     }
 
     * _getCharArcs (iAddr) {
         // generator: yield all chars and addresses from node at address <iAddr>
         for (let [nVal, jAddr] of this._getArcs(iAddr)) {