Knock, knock. Who's there? Wooden shoe. Wooden shoe who? Wooden shoe like to hear another joke?
Knock knock. Who's there? Lettuce. Lettuce who? Lettuce hope this joke makes you laugh!
Knock knock. Who's there? Leaf. Leaf who? Leaf me alone, I'm trying to tell a joke!
Knock knock. Who's there? Dewey. Dewey who? Dewey have to keep telling these jokes?
Knock knock. Who's there? Mustache. Mustache who? I mustache you a question, but I'll shave it for later.
Knock knock. Who's there? Dozen. Dozen who? Dozen anybody want to let me in?
Knock knock. Who's there? Lettuce. Lettuce who? Lettuce hope this joke makes you laugh!