I Am Releasing Ten Million Passwords
Went ahead and performed a Levenshtein distance analysis from this list, and made a graph of it.  Number 8 seems to be the sweet 'secure' spot that most people latch onto, though the distribution curve is interesting - or very human-like: <a href="http://pp19dd.com/2015/02/levenshtein-distance-10-million-usernames-passwords/" rel="nofollow">http://pp19dd.com/2015/02/levenshtein-distance-10-million-us...</a>