help with account registration

[Solan]

After installing FFXIV I went to SE to make an account so i could play. I had made one but ended up forgetting the password because i had to go out right after I got everything done. So after another couple trial and errors I made a new account and wrote down all my account names/passwords etc. When I add a service account and put in the registration codes I would enter them and it says 'registration codes already used'. I really can't remember if I had already put them on a different account or not, i did it all in such a rush that it had completely slipped my mind.

Do you know of anyway I would be able to unregister the codes? I already sent an email to SE about it but there offices aren't open until monday and I wanted to atleast play a little bit during my weekend.

any help is appreciated