Question

How many possible 3-letter abbreviations are there that start with the letter b?

Answer 1

B2K, BTK    Back to Keyboard
BTT             Back to Topic
BTW            By the Wa
BFF             Best Friends Forever
BRB             Be Right Back
BRT             Be Right There
BBS             Be Back Soon
BEG             Big Evil Grin


and much more. it is imposible to count them all.