Cannot find email

So I made an account a while back but I never really used it the username is Region. Now when I try and log into my account using the password it tells me the password is older than 6 months so I need to reset it, the only thing is I forgot the email that was on the account so I cannot reset it can anyone help me find the full email. When I go to the hint it only shows me 3 letters and I still cannot think of the email I used.

 

Your account has one post, just start over tbh