private Map<Character, Integer> createCntMap(String word1) {
	    
	    Map<Character, Integer> word1Map = new HashMap<Character, Integer>();
		for(int i=0;i<word1.length();i++){
			
			Character word1letter = word1.charAt(i);
			if (word1Map.containsKey(word1letter)) {
				
				Integer letterCnt = word1Map.get(word1letter);
				letterCnt ++;
				word1Map.put(word1letter, letterCnt);
				
			}else{
				word1Map.put(word1letter, 1);
			}
		}
		
		return word1Map;
	}