It's not AA it's AY It's not AAA it's AU It's not EEE it's ER It's not II it's AAY It's not NN it's NG It's not OO it's OU It's not OOO it's UO It's not OOOO it's OW It's not OOOOO it's OY It's not SS it's SH It's not Z it's ZH It's not ZZ it's just Z