Pronounced as one letter and written with three.
Two letters there are and two only in me.
I'm double, I'm single, I'm black, blue, and gray.
I'm read from both ends, and the same either way.
What am I?

RIDDLE CATEGORIES

idk hoo wow sas bob 333 sky qaa que eme hue yes ear rop roo pen idi nun eel tea tee you see mum sea are bee eve pee ewe
The first user to solve this riddle was Cathy