Knock, knock!
Who's there?
Amos!
Amos who?
A mosquito!
Oh! Come in, you're a flying boy.

Knock, knock!
Who's there?
Dan
Dan who?
Dan daradandan dan dan!

Knock, knock!
Who's there?
Gestapo!
Gestapo who?
We make the questions!

Knock, knock!
Who's there?
Eros!
Eros who?
Ero...tic..tic..tic..
Oh! What a watch!