Sonic
Charge
Fingerpass
Thumbaround
Those are the four fundemental moves. Master those fisrt, then you can learn:
Reverse Thumbaround
Reverse Charge
Reverse Sonic
Finger Pass Reverse
Twisted Sonic
Infinity
Extended Infinity
Double Charge
Shadow
Korean Backaround
It will take some time. With penspinning, every single move is a knack. You just have to keep doing it until you understand how the pen is suppose to move and how you should move your fingers. Don't worry though, it may seem hard at first, but in the long run, penspinning is alot easier than card flourishing or magic.
Try this youtube channel, he has great tutorials:
http://www.youtube.com/user/akujinnoeso