Generate all combinations for given chars, combination fixed length and print them with sha256 hash

sha256combinations.py

# Simple script that generate all possible string combinations for given lenght
# and generates sha256 hashes for every combination. Combination allow to use
# single char zero or more times.

import hashlib
import itertools

possibleChars = ['a', 'l', 'i', 'n', 's', 'b']
passLen = 7

#generate all pass combinations
combinations = []
for i in itertools.product(possibleChars, repeat=passLen):
    combinations.append(''.join(map(str, i)))

hashes = []
for i in combinations:
    hashedPass = hashlib.sha256(i.lower()).hexdigest()
    hashes.append(hashedPass)
    print i + "\t\t" + hashedPass