OU and Georgia have never met, of course. Here is the list of Div 1-A schools OU has not played (Power 5 in bold).
Appalachian State, Buffalo, Central Florida, Central Michigan, Charlotte, Colorado State, East Carolina, Eastern Michigan, Florida Atlantic (2018), Florida International,Georgia, Georgia Southern, Georgia State, Georgia Tech, Idaho, Kent State, Louisiana-Lafayette, Marshall, Massachusetts, Memphis, Miami (OH), Michigan State, Mississippi State, Nevada, Northern Illinois, Ohio, Old Dominion, Purdue, Rutgers, San Jose State, South Alabama, South Carolina, Southern Miss, Texas State, Texas-San Antonio, Toledo, Troy, UNLV, Western Kentucky, Western Michigan.