Cincinnati
Houston
Iowa State
Kansas
Kansas State
West Virginia
Baylor
Oklahoma
Oklahoma State
Texas
Texas Christian
Tech
That's the easiest way to do it; preserving rivalries.
"Houston the commuter school" could very well become a juggernaut as a power 5.
Honestly, it would probably be in the league's best interest to give these new schools an easy division to prop them up prior to the next round of TV negotiations. Any immediate success may show them to be P5 worthy thus boosting the conference brand.