This holds no bearing since someone already answered, but I was just amazed at how easy this was to do. 100% didn't cheat because I was honestly curious if I could do it.
AFCN - Ravens, Bengals, Steelers, Browns
AFCS - Colts, Texans, Jaguars, Titans
AFCE - Bills, Jets, Pats, Dorkphins
AFCW - Broncos, Raiders, Chargers, Chiefs
NFCN - Vikings, Pack, Bears, that 0-16 team that my one cunt friend likes
NFCW - Hawks <3, 49ers, Cards, Rams
NFCS - Saints, Panthers, Falcons, Bucs
NFCE - Cowboys, Giants, Redskins, Eagles