Password Problem solutions

Password Problem was solved using Lisp by 4 contestants. Solution sizes: average 1283 bytes (shortest: 452; longest: 1985).

1868.

k.kojima (S) (452 B)
2361.

2old2randr (S, L) (1985 B)
2838.

orivej (S) (464 B)
3314.

yubeshi (S) (1532 B)