Knock Knock
Who's there?
Iran!
Iran who?
Iran over here to tell you this!

Knock Knock
Who's there?
Irene!
Irene who?
Irene and Irene but still no one answers the door!

Knock Knock
Who's there?
Iris!
Iris who?
Iris you were here!

Knock Knock
Who's there?
Irma!
Irma who?
Irma big girl now!

Knock Knock
Who's there?
Isaac!
Isaac who?
Isaac'ly who do think this is?