And Trey/Fous shouldn't qualify for a 5th year. It's possible, depending on playing time or injury, that Fous or Trey could have one more to play by burning their RS, but that seems unlikely. Then Demin and Catchings should be expected losses (if Catchings doesn't project to get drafted, I'm betting he transfers).
And then there's always the possibility that one of the talented freshmen get disgruntled with minutes or maybe Hall or Baker gets beaten out by Crawford or something. All sorts of possible scenarios. Can't bank on anything in the TP era, got to roll with the punches.