Knock Knock
Who's there?
Barbara!
Barbara who?
Barbara black sheep, have you any wool...!

Knock Knock
Who's there?
Bea!
Bea who?
Beatle Bailey!

Knock Knock
Who's there?
Bean!
Bean who?
Bean fishing lately?

Knock Knock
Who's there?
Beethoven!
Beethoven who?
Beethoven is too hot!

Knock Knock
Who's there?
Beets!
Beets who?
Beets me!