import itertools


def _get_permutations_draw(draw):
    """Helper to get all permutations of a draw (list of letters), hint:
       use itertools.permutations (order of letters matters)"""
    words = []
    for i in range(3, len(draw) + 1):
        possible_permutations = itertools.permutations(draw, i)
        possible_words = [''.join(map(str, words)) for words in
                          possible_permutations]
        for word in possible_words:
            words.append(word)
    return words