Samsung i500 Online User's Manual page 112

Here is the Graffiti alphabet:
Tip:
For greater accuracy, draw letters with large strokes that take up
nearly all the available area.
Tip:
Write at a natural speed. Writing too slow can cause errors.
Tip:
Press firmly on the stylus at a right angle. Avoid writing at a slant.
2K: Entering Information into the Handheld Computer 109
Section 2: Understanding Your Phone