Answer:
I am a certain five-letter word and become shorter when you add two letters to me. What am I?
I can't go left, I can't go right. I am forever stuck in a building over three stories high. What am I?
I sit in a corner while travelling around the world.
Fatherless and Motherless, born without sin. Roared when it entered the world, And never spoke again.
What goes up a chimney down but can't go down a chimney up?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.