def analyse_style(words):
    """
    Outputs an analysis of the style of the verse (viskuri law and alliteration)
    :param words: ["vesi", "vanhin", "voitehista"]
    :return: a dictionary of the style {"viskuri":True, "alliteration": True}
    """
    return_dict = {}
    first_letters = []
    lengths = []
    for w in words:
        if w[0] == u'å':
            first_letters.append(u'o')
        else:
            first_letters.append(w[0])
        lengths.append(len(w))
    if len(first_letters) != len(set(first_letters)):
        return_dict['alliteration'] = True
    else:
        return_dict['alliteration'] = False
    last_len = lengths[len(lengths) - 1]
    last_at_end = True
    for i in range(len(lengths) - 1):
        w = lengths[i]
        if w > last_len:
            last_at_end = False
            break
    return_dict['viskuri'] = last_at_end
    return return_dict
