day4_part2

def getSortedStr(s):
    return ''.join(sorted(s))

_input = open('d3_passes.txt')
n_good_pswd = 0
for pswd in _input:
    words = pswd.split()
    n_words = len(words)

    for i in range(n_words):
        words[i] = getSortedStr(words[i])
    words.sort()
    #print(words)

    n_good_pswd += 1
    for i in range(n_words - 1):
        if words[i] == words[i+1]:
            n_good_pswd -= 1
            break
print(n_good_pswd)