A, B, Cs
Hmm.. Sam knows a few. Random ones lah, like A, B, C, D, E, S, T, O, M. But he gets mixed up abt C, U, coz it's a matter of orientation. And he thinks Q is O. He calls all circles & holes O too haha. I just let him be lah. Dun wanna pressure him or keep telling him he's a made a mistake.