find word random

def findWord(aListChars, aWord, aTrialNum):
    cnt = 1
    words = []
    found = False
    while cnt < aTrialNum:
        word = ""
        buff = [e for e in aListChars]
        while len(buff) > 0:
            rnd = random.randrange(len(buff))
            word += buff.pop(rnd)
            if word == aWord:  #"chrząszcz"
                print("DBUG: Match: %s %d" % (word, cnt))
                found = True
                break
        cnt += 1
        if found:
            break
        # DBUG
        # print(word)
        # if not (word in words):
        #     words.append(word)
    return found
l = ["z","z","s","r","c","h","c","z","ą"]
w = "chrząszcz"
print(find_word(l, w, 20000))