81 words: rooses, roosts, rosets, sorest, stores, torose, torses, torsos, tosser, tsores, rests, roose, roost, roots, roses, roset, rotes, rotos, soots, sores, sorts, store, tores, toros, torse, torso, tress, eros, erst, oots, ores, orts, oses, rest, rets, roes, root, rose, rote, roto, rots, sers, sets, soot, sore, sort, sots, toes, tore, toro, tors, toss, tres, ers, ess, oes, oot, ore, ors, ort, ose, res, ret, roe, rot, ser, set, sos, sot, toe, too, tor, er, es, et, oe, or, os, re, so, to.