Доброй ночи. Подскажите, пожалуйста ТОЛЬКО НЕ РЕШЕНИЕ!!!

private static ArrayList<Word> getChain(ArrayList<Word> words, ArrayList<Word> chain, Word lastWord) {
    for (Word word : words) {
        if (chain.size() == 0 || word.isApplicable(lastWord)) {
            ArrayList<Word> wordsLeft = new ArrayList<>(words);
            ArrayList<Word> newChain = new ArrayList<>(chain);
            wordsLeft.remove(word);
            newChain.add(word);
            return getChain(wordsLeft, newChain, word);
        }
    }
    return chain;
}

BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
try (BufferedReader file = new BufferedReader(new FileReader(bufferedReader.readLine()))) {
    bufferedReader.close();

String[] words = new String[wordss.size()];
wordss.toArray(words);

if (words == null) { return result; }
if (words!=null) {}

for (String s : belkaGT) {
           wordss.add(s);
       }

Collections.addAll(wordss, belkaGT);

for (int i = belka.size() - 1; i >= 0; i--) {
            if (i == 0) {
                result.append(belka.get(i));
            } else {
                result.append(belka.get(i)).append(" ");
            }
        }

ArrayList<String> belka = getChain(wordss, chain, null);

String[] belkaBoss = result.toString().split(" ");
result.delete(0, result.length());
for (int i = 0; i < belkaBoss.length; i++) {
    for (int j = 0; j < words.length; j++) {
        if (i == 0 && words[j].equals(belkaBoss[i])) {
            result.append(words[j]);
            break;
        } else if (i != 0 && words[j].equals(belkaBoss[i])) {
            result.append(" ").append(words[j]);
            break;
        }
    }
}

class Solution {
    public static void main(String[] args) {
        /*try (BufferedReader consoleReader = new BufferedReader(new InputStreamReader(System.in));
             BufferedReader fileReader = new BufferedReader(new FileReader(consoleReader.readLine()))) {
            List<String> wordss = new ArrayList<>();
            while (fileReader.ready()) {
                wordss.addAll(Arrays.asList(fileReader.readLine().split(" ")));
            }
            String[] words = new String[wordss.size()];
            wordss.toArray(words);
            System.out.println(getLine(words));
        } catch (IOException ignore) {
        }*/
        System.out.println(getLine("Киев", "Нью-Йорк", "Камбоджа", "Амстердам", "Вена", "Мельбурн"));
    }

    public static StringBuilder getLine(String... words) {
        StringBuilder result = new StringBuilder();
        if (words == null) {
            return result;
        }
        ArrayList<String> belka = getChain(Arrays.asList(words), new ArrayList<>(), null);
        belka.forEach(s -> result.append(s).append(" "));
        return result;
    }

    private static ArrayList<String> getChain(List<String> words, ArrayList<String> chain, String lastWord) {
        for (String word : words) {
            if (chain.size() == 0 || word.substring(0, 1).equalsIgnoreCase(lastWord.substring(lastWord.length() - 1))) {
                ArrayList<String> wordsLeft = new ArrayList<>(words);
                ArrayList<String> newChain = new ArrayList<>(chain);
                wordsLeft.remove(word);
                newChain.add(word);
                return getChain(wordsLeft, newChain, word);
            }
        }
        return chain;
    }
}

if(belka(telNumber)==true)
{
    return true;
}
else
{
    return false;
}

return belka(telNumber);