Lets do some math here to figure this "Nurb" thing out...
Okay, Now you are just annoyed..
You: a 'U'? SERIOUSLY!?
Me: Okay the lets do some geometry!
O. Lop of O's head and O becomes U.. Take the middle of your e out and put it on the bottom. Flip the new 'e' upwards and your e is now a u.
Keep it Nurby.~RK