public void build(String [] array, String team, int size) {
        if (size == 0) {
            System.out.println(team);
            return;
        } else if (size > array.length) {
            return;
        } else {
            for (int i = 0; i < array.length; i++) {
                build(Arrays.copyOfRange(array, i + 1, array.length), team + array[i], size - 1);
            }
        }
    }