den, dent, don, done, donor, drone, drunk, dun, dune, dunk, end, enroot, eon, ken, kendo, knot, krone, nerd, net, nod, node, nook, nor, not, note, noted, nude, nut, one, onto, outdone, rend, rent, rodent, rondo, rotund, round, run, rune, runt, ten, tend, tenor, tern, token, ton, tone, toned, toner, torn, trend, trunk, tun, tune, tuned, tuner, turn, turned, under, undertook, undo, unto, urn