Scanner scan = new Scanner(inputStream);
        String word, sortedWord;

        HashMap<String, ArrayList<String>> words = new HashMap<String, ArrayList<String>>();

        while ((word = scan.next()) != null) {
            sortedWord = sortWord(word);

            if (words.get(sortedWord) != null) {
                ArrayList<String> tmp = words.get(sortedWord);
                if (tmp == null) {
                    tmp = new ArrayList<String>();
                }
                tmp.add(word);
                words.put(sortedWord, tmp);
            } else {
                ArrayList<String> tmp = new ArrayList<String>();
                tmp.add(word);
                words.put(sortedWord, tmp);
            }
        }

        System.out.println("iteratori start");