“Sorry, your password has been in use for 30 days and has expired – you must register a new one.”

Roses

“Sorry, too few characters.”

pretty roses

“Sorry, you must use at least one numerical character.”

1 pretty rose

“Sorry, you cannot use blank spaces.”

1prettyrose

“Sorry, you must use at least 10 different characters.”

1****ingprettyrose

“Sorry, you must use at least one upper case character.”

1****INGprettyrose

“Sorry, you cannot use more than one upper case character consecutively.”

1****ingPrettyRose

“Sorry, you must use no fewer than 20 total characters.”

1****ingPrettyRoseShovedUpYourAssIfYouDon’tGiveM eAccessRight****ingNow!!!

“Sorry, you cannot use punctuation.”

1****ingPrettyRoseShovedUpYourAssIfYouDontGiveMeAc cessRight****ingNow

“Sorry, that password is already in use.”

Edit: Eh, forum auto-edited for language. Well, you get the idea.