Answer:
I go inside boots and outside shoes. What am I?
I am an insect and the first part of my name is the name of another insect. What am I?
I'm tall when I'm young and I'm short when I'm old. What am I?
I am a key that is playful. What am I?
I have a head and a tail but my eyes can never see my tail.
I flow from the Homerβs mouth when he sees doughnuts.