docs: public WordInfo getNextN(String[] data, int index, int N) {
  		StringBuilder sb = new StringBuilder();
  		int i = index;
  		while(sb.length()<N&&i<data.length){			
  			sb.append(data[i]);
  			i++;
  		}
  		if(sb.length()<=N)	
  			return new WordInfo(sb.toString(),i-index);
  		else
  			return new WordInfo(sb.substring(0,N),i-index);
  	}