Knock knock. Who's there? Wanda.

Wanda who? Wanda know what's taking you so long to open the door!

Knock knock. Who's there? Figment.

Figment who? Figment of your imagination, but I'm real and I need to come in!

Knock knock. Who's there? Flour.

Flour who? I knead you to let me in, it's a loaf-ing matter.

Knock knock. Who's there? Donut.

Donut who? Donut ask, just open the door!