[Python] 1759 - 암호만들기

from itertools import combinations

l , c = map(int, input().split())
letters = sorted(input().split())
words = combinations(letters, l)

for word in words:
    cnt = 0

    for i in word:
        if i in "aeiou":
            cnt += 1

        if cnt >= 1 and l - cnt >= 2:
            print("".join(word))