Help!

I have had an account for 5 years, left for 2, and after returning to the game today I was confused with the whole SE Members switcharound.

Long story short, I bought the Abyssea Edition of the game as a direct download, and I mistakenly used the registration code to register all the expansions by setting up a new POL ID instead of adding them to my existing account! (Hitting the button underneath the one I meant to!)

Is there any way I can get in touch with SE on getting a new code? I have already cancelled this second account but I still cannot use the code to unlock the expansions and really don't want to have to fork out even MORE money to buy a SECOND set of codes! I feel like I have spent 17 pounds on all these expansions and can't use them, please help!