1) Knock knock
Who's there
Lettuce
Lettuce who
Lettuce it in its cold out here
2) knock knock
Who's there
Broken pencil
Broken pencil who
Oh never-mind it's pointless
3) knock knock
Who's there
Cow says
Cow says who
No silly cow says moo
4) knock knock
Who's there
Moo moo
Moo moo who
Make up your mind are you a cow or a owl
5) knock knock
Who's there
Kenny
Kenny who
Kenny speed
Kenny speed who
Kenny speed is a big jerk
