detour, dour, dud, due, duet, duo, dupe, duped, erupt, euro, ordure, our, out, outer, pour, poured, pout, pouted, protrude, protruded, proud, prouder, prude, pure, purer, purr, purred, put, rout, route, routed, router, rudder, rude, ruder, rue, rued, rut, tour, toured, tourer, troupe, trouper, true, truer, udder