ForBow

from hashlib import md5
from itertools import compress, product
from string import printable
from binascii import hexlify

def allcombos(values, max=None): # generator for yielding cartesian products of a certain set of characters
    values = set(values) # erases repeating characters if any...
    lenVal = len(values)
    max = max if max is not None and max <= lenVal else lenVal
    for i in range(0, max+1): # loop through all cartesian products from 0->len(max)
        for p in product(values, repeat=i):
            yield ''.join(p)

def tryReplace(origVal, newVal, lst):
    for i, item in enumerate(lst):
        if origVal == item:
            lst[i] = newVal
    return lst


def foo(hashCollection): # string of characters... just md5's put together
    size = 32 # 32 characters for an md5 hash
    hashList = [hashCollection[i:i+size] for i in range(0, len(hashCollection), size)]
    hashList = filter(lambda x: len(x) == size, hashList) # removes any that are not the same size as md5's
    for combo in allcombos(printable, 3): #only loop through 3 at most... otherwise, it may be a LONG time
        m = md5()
        m.update(combo)
        hashList = tryReplace(hexlify(m.digest()), combo, hashList)
    return hashList

name = (
"7fc56270e7a70fa81a5935b72eacbe29" # A
"0b3b97fa66886c5688ee4ae80ec0c3c2" # us
"2cb1b780138bc273459232edda0e4b96" # tin
"cd4a2e8261ac0bdd29f6844dd4a615bc" # @ar
"d88fc6edf21ea464d35ff76288b84103" # ch
"818f9c45cfa30eeff277ef38bcbe9910" # er
"NotAnMD5"
)

thisAlsoWorks = "7fc56270e7a70fa81a5935b72eacbe290b3b97fa66886c5688ee4ae80ec0c3c22cb1b780138bc273459232edda0e4b96cd4a2e8261ac0bdd29f6844dd4a615bcd88fc6edf21ea464d35ff76288b84103818f9c45cfa30eeff277ef38bcbe9910"

attempt = foo(thisAlsoWorks) # or foo(name)
print ''.join(attempt)