wordlist from: http://www-01.sil.org/linguistics/wordlists/english/wordlist/wordsEn.txt
109,582 words, given a 4-word password, 1.4418933 X 10^20 possible passwords
pagodabox gave me a fatal error (Fatal error: Can't use function return value in write context in /var/www/logic.php on line 12)