"unpopular" letters in a 2 letter domain name

[jbriggy]

As the title states, what, in your opinion, are the most "unpopular" letters in a 2 letter domain?

-jbriggy

 

[Gee]

bad letters in any domain are in general as long as their order doesn't mean something

y x z j q

if both letters are bad so you can realize you got the worst 2 letters combo