"Knock Knock - Dozen" joke

Knock Knock
Who's there!
Dozen!
Dozen who?
Dozen anybody want to play with me? Knock Knock
Who's there!
Dozen!
Dozen who?
Dozen anyone live here anymore! Knock Knock
Who's there!
Dozen!
Dozen who?
Dozen anyone want to let me in! Knock Knock
Who's there!
Dozen!
Dozen who?
Dozen anyone ever answer the door!