Knock Knock
Who's there?
Chuck!
Chuck who?
Chuck and see if the door is locked!

Knock Knock
Who's there?
Chuck!
Chuck who?
Chuck in a sandwich for lunch!

Knock Knock
Who's there?
Cicero!
Cicero who?
Cicero the boat ashore!

Knock Knock
Who's there?
Cigarette!
Cigarette who?
Cigarette life if you don't weaken!

Knock Knock
Who's there?
Clara!
Clara who?
Clara space on the table!