import itertools
import time

CHARACTERS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"


def generate_char(char_length: int):
    for payload in itertools.product(CHARACTERS, repeat=char_length):
        yield ''.join(payload)


def main():
    char_length = 6
    get_payload = generate_char(char_length)
    while True:
        try:
            # get next value
            payload = get_payload.__next__()
            # sleep
            time.sleep(0.05)
            print(payload)
        except StopIteration:
            print('Done!')
            # stop when done
            break


if __name__ == '__main__':
    main()