Y/n: your name
H/c: hair color
E/c: eye color
Y/a: your age
F/c: favorite color
F/f: favorite food
Nick/n: nick name
P/n: pet name ( what your BF calls you as his nick name for you later on)
And I'm think this covers it all if you don't know what something stands for let me know and I'll figure it out.