Off the top of my head I can come up with..

Sorors:
Tasha
Tiffany
Keisha
Andrea (my line had 2)
Tonya
Monica
Tameika

AKA's:
Kim
Nicole

Alphas:
Brian
Damian
Gary

Kappas: (all the ones I know have nicknames, so some real names are a mystery)
Trey
Bobby
Micheal (Mike)

Omegas:
Mike
Rico