y/n: your name

y/n/n: your nickname

y/h/c: your hair colour

y/e/c: your eye colour

y/h/l: your hair length

y/m/n: your mom's name

y/d/n: your dad's name

y/f/b: your favorite breakfast

y/f/f: your favorite food

y/f/d: your favorite drink

y/f/s: your favorite song

y/f/i: your first initial

y/f/a: your favorite music artist

these are just some that are mentioned in the story, just in case if some of you guys get confused :)