possible, but i believe they will all stay chunnin until they are in their mid twenties.After the war, they will all be jounin, so none of them will be together in one team, but each one of them will lead a team!
They will remain friends like the other jounin, Kakashi, Gai, Asuma and the others, and also have each one their team.
possible, but i believe they will all stay chunnin until they are in their mid twenties.