Knock, knock. Who’s there? Luck. Luck who? Luck through the keyhole and you'll find out
Knock, knock.Who’s there?Luck.Luck who?Luck through the keyhole and you'll find out 0 0 0 Knock-knock jokes
Knock, knock.
Who’s there?
Luck.
Luck who?
Luck through the keyhole and you'll find out