The Queen Bee

Riddle: A queen bee was buzzing, a worker bee was buzzing, a honey bee was buzzing, and a killer bee was buzzing. How many bees were in buzzing?

Answer: One. There is only one b in the word buzzing Source: https://riddles.com/1186

A queen bee was buzzing, a worker bee was buzzing, a honey bee was buzzing, and a killer bee was buzzing.
How many bees were in buzzing? — The Queen Bee by Anonymous Riddle