Please Help

Ok im new to sudden attack and i was just wondering if someone could help me i just registered and i cant create a nickname or dog tag what ever its called. i keep getting this error "Watch your mouth soldier" can someone please help or tell me a nick name i can use.

ok that means you can't use that name. It has some kind of swear or dirty word on it.

it has a dirty word, for example the word sexy wont wor but [$]eXy will work you need to put symbols or dot or anything between the bad word