This is all extremely possible. It's best scenario for each conference to get the max number of teams in the CFP. The committee would have their work cut out.
Bold is winner of conference championship. Parentheses is who they lost to. Green means the loss already happened.
SEC
Texas A&M 11-2 (ND, Texas)
Texas 11-2 (Georgia, A&M)
LSU 10-2 (USC, A&M)
Georgia 10-2 (Alabama, Ole Miss)
Alabama 10-2 (Vandy, LSU)
Ole Miss 10-2 (UK, LSU)
Missouri 10-2 (A&M, Alabama)
Tennessee 9-3 (Arkansas, Alabama, Georgia)
Big Ten
12-1 Ohio State (Oregon)
12-1 Oregon (Ohio State)
11-1 Penn State (Ohio State)
11-1 Indiana (Ohio State)
10-2 Illinois (Penn State, Oregon)
ACC
12-1 SMU (BYU)
12-1 Miami (SMU)
11-1 Clemson (Georgia)
11-2 Pitt (Clemson, SMU)
Big 12
12-1 KSU (BYU)
12-1 BYU (KSU)
11-1 ISU (KSU)
Indy
11-1 Notre Dame (Northern IL)
G5
11-1 Army (Notre Dame)
12-1 Boise State (Oregon)
11-0 Liberty
Bold is winner of conference championship. Parentheses is who they lost to. Green means the loss already happened.
SEC
Texas A&M 11-2 (ND, Texas)
Texas 11-2 (Georgia, A&M)
LSU 10-2 (USC, A&M)
Georgia 10-2 (Alabama, Ole Miss)
Alabama 10-2 (Vandy, LSU)
Ole Miss 10-2 (UK, LSU)
Missouri 10-2 (A&M, Alabama)
Tennessee 9-3 (Arkansas, Alabama, Georgia)
Big Ten
12-1 Ohio State (Oregon)
12-1 Oregon (Ohio State)
11-1 Penn State (Ohio State)
11-1 Indiana (Ohio State)
10-2 Illinois (Penn State, Oregon)
ACC
12-1 SMU (BYU)
12-1 Miami (SMU)
11-1 Clemson (Georgia)
11-2 Pitt (Clemson, SMU)
Big 12
12-1 KSU (BYU)
12-1 BYU (KSU)
11-1 ISU (KSU)
Indy
11-1 Notre Dame (Northern IL)
G5
11-1 Army (Notre Dame)
12-1 Boise State (Oregon)
11-0 Liberty
