is for Alcohol 

A is for Alcohol, it plays a big role in the book, who would they be without it?

is for Burning

B is for Burning, the church that got burned down. 

is for Church

C is for Church, the church is where Johnny and Ponyboy ran away to.

is for Darry

D is for Darry, who took care of Ponyboy but is also the reason he ran away.

is for Education 

E is for Education, because sodapop dropped out of school.

is for Fear

F is for Fear, because Johnny was in fear because he did not want to get jumped by the Socs. 

is for Gone With The Wind

G is for Gone With The Wind, because that is the book that Johnny and Ponyboy read when they got to the church and the book Johnny left after he died for Ponyboy with a note in it.

is for Home

H is for Home, because they all felt at home with each other.

is for Injured 

I is for Injured, because Johnny got very injured after the church fire.

is for Jacket 

J is for Jacket, because that is what protected Ponyboy from the fire.

is for Knife

K is for Knife, because Greasers always carried a switchblade. 

is for Long Hair

L is for Long Hair, because the greasers had long hair.

is for Movies

M is for Movies, because Ponyboy loved going to the movies.

is for Nothing Gold Can Stay

N is for Nothing Gold Can Stay, because that is what Johnny Cade said to Ponyboy. 

is for Outsider's

O is for Outsiders, because Ponyboy felt like an outsider.

is for Peroxide

P is for Peroxide, because Ponyboy bleached his hair with peroxide.