Knock Knock
Who's there?
Beryl!
Beryl who?
Beryl of beer!

Knock Knock
Who's there?
Bette-lou!
Bette-lou who?
Betty-lou a few pounds!

Knock Knock
Who's there?
Betty!
Betty who?
Betty ya don't know who this is!

Knock Knock
Who's there?
Betty!
Betty who?
Betty-bye!

Knock Knock
Who's there?
Bibi!
Bibi who?
Bibi gun!