Creating Keyboard for Particular Iphone App

Create Keyboard for Iphone My Particular Application. The letters are based on Arabic Script. Here is the link for complete letters. [login to view URL] I need keyboard from above letters (link). The keyboard should work for application I am developing now. I need the clean and understandable source code to us it in my application. The letters are more than the keys we have, add some letters in SHIFT+ keyboard.