Y/N: your name
E/C, or Y/E/C: eye color or your eye color.
H/C or Y/H/C: Hair color or your hair color.
Y/F/C: your favorite color
Y/F/B: your favorite band
Y/B/F/N: your best friend's name
Y/P/N: your parent's names.
Y/F/A: your favorite animal
Y/F/D/B: your favorite dog breed
Y/F/C/B: your favorite cat breed
Y/A: your age