Liu Kang? Really? I don't see why, since he can't abuse stuff like Reppy T's Dash or KL's Teleport.
I'd say: Reptile, Raiden, Mileena, Sonya, and Kung Lao.
I find it harder with Cage, since everyone can jump out of frame traps. 11f1 is near useless, unless you're Curbo or Playpal.