The best we can do is make our estimates assuming everyone is healthy for every game. Likely injuries, even if just minor ones will result in some bench players averaging a little more MPG because their role was expanded due to a player ahead of them being out. Even then I think you could look at this from three possible scenarios.
First is how the minutes would be distributed in a highly competitive game that we could lose. Geno has frequently shortened his rotation in the games that are at least somewhat in doubt. I have noticed that so far, most seem to believe that minimal rotation is at least 7, with the three obvious starters at the top in Paige, and Aaliyah, three more we are sure will be in the rotation, at least one of which will start from Nika, Caroline and Aubrey, and one additional big from Ice, Jana, and Ayanna, with Ice picked more than the others.
The next scenario is games against teams we are sure we will beat. Mostly part of the Big East schedule. In those kind of games, Geno is much more willing to go deeper on the bench developing players that could effectively move into the first group if injuries occur, or if they play well enough to warrant that status against even the top teams, expanding that rotation. If they do well they could also be deployed more if Geno is confident enough in this group to press and run more.
Assuming Ice is the other big that starts, that second group includes Jana, Ayanna, KK, and Ashlynn with their odds of getting into the big game rotation in that order, but I consider them all pretty close. While 7 might be the minimal rotation against the best teams, I think adding this second group to the first is pretty much the maximum rotation. Probably used regularly against mediocre competition with the possibility if the do well enough to be included in the "Big Game" rotation as well.
Then with a roster of 14 there is a third group that probably will see some minutes in most games, but be mostly mop up minutes at the tail end of decisive victories. I have Amari, Q, and Ines in that group. Nothing against any of them, but I don't see any bigs I think Amari is likely to move ahead of, the same for Q with the wings, and Ines with the guards. It is a numbers game and the competition is stiff. Amari probably has the best chance to move to the second group but it is hard to expect much based on what she has done in her first two years.
So I personally would like to see Geno have enough confidence to be able to use a big rotation against even the top teams, with players like Jana, Ayanna, KK and Ashlynn forcing Geno to include them for the big games because they earned it, and give him the option to pick up the pace and press more.
I think another comparison could be the last championship team in 2016. They went 10 deep on a regular basis. the bench included twi future WNBA stars in Pheesa and Gabby, a player who lasted a year in the league with Saniya, and one who was good enough to be drafted in Natalie. Even Courtney (#10) in that rotation after she transferred wound up being a starter in a Power 5 conference. We could have near that kind of talent on the bench, and better on the deep bench with Amari, Q and Ines vs. two walk-ons.