How to prevent certain words or usernames from registering

[BoostedK20]

I remember a week or so ago I set a few specific usernames from registering, but I can't find out where I put them, I already checked in my AdminCP>Options>User Registration and looked at the Illegal User Names - they're not there. Where else could they be? I can't remember!

--------------- Added [DATE]1300679325[/DATE] at [TIME]1300679325[/TIME] ---------------

nvm.

[markb5900]

Maybe in Censoship Options?
Not sure of those words get banned in usernames or not.