How to restore multiple Aliases after deletion?

This morning I wanted to add a specific alias to my outlook account. But when I tried to do so, i got a error that" You've added the maximum number of aliases. (We have a limit to help keep your account information safe.) You can remove an alias and try again. "So to resolve this issues i deleted an alias, but the issue wasn't resolved. So I decided to remove all the Aliases linked to my outlook account (Approx. 10 of them). So when I tried again, I get the same error message. Now it won't let me add the Aliases which I had earlier and won't even let me to add another new one. Please I want to recover all that Deleted aliases to my account. It's pretty important to have them. Please help me to recover them. My E-mail is- *** Email address is removed for privacy ***.