How do you spell biyoo?

"Biyoo" is not a standard English word. It's likely a misspelling or a word from a specific language or dialect.

To help you find the correct spelling, please provide more context.

For example:

* What are you trying to say?

* What language is the word from?

* Can you give me a sentence where you would use this word?

Once I have more information, I can assist you with finding the correct spelling.