Answer:
What goes around the wood but never goes into the wood?
Alone I am 24th with a friend I am 20. Another friend and I am unclean.
If a man carried my burden, he would break his back. I am not big but leave silver in my tracks. What am I?
I go around in circles, but always straight ahead, never complain, no matter where I am led.
The more it dries the wetter it gets. What is it?
A little house full of meat, no door to go in and eat.