>S:
Nigger, White Supremacist, SEA Monkey

>A:
Wetback, Chinkanzee, Monkey, Yellow Monkey, Border Monkey, Ape, Poojeet

>B:
Pajeet, Chink, Kike, Loojeet, Shitskin, Nazi, Zipperhead, Sand-Nigger

>C: Spic, Coon, Cumskin, Vanilla Gorilla, Akbar, Roach, Beaner, Gook, Raghead, Bug

>D:
Cracker, Jogger, Mayo Monkey, Moon Cricket, Kang, Border Hopper

>E:
Nigga, Bean

>F: Mayo, Taco
The only correct tier list, feel free to "augment" an innaccurate one.