1 Syllable: S
all, All's, alms, alt, arc, arch, arcs, ard, are, ark, arm, armes, arms, art, Auld, awl, bald, balk, ball, balm, bar, barb, bard, barge, bark, barn, Barnes, barns, Barr, Barre, bars, Bart, brawl, call, calm, car, cards, carp, Carr, cars, cart, carte, carts, carve, char, charge, Charles, charm, charred, chart, Clark, Clarke, Clarke's, Clark's, Col, Coll, crawl, Czar, dar, dark, darn, dart, doll, fall, false, far, farce, farm, fart, fault, gall, gar, garb, gard, garde, Gaul, gnarled, golf, guard, Hall, halt, har, Hark, harm, harp, harsh, Hart, haul, heart, hearth, hearts, jar, jarred, jars, Karl, lar, larch, lard, large, lark, Mall, malt, mar, Marc, March, Marche, mark, marl, marred, Mars, marsh, mart, Marx, mol, Moll, our, pall, palm, par, parched, Park, Parke, parks, Parr, pars, part, parte, parts, Paul, Paul's, Pol, Psalm, qualms, R, R's, salt, sar, Saul, scar, scarf, scarred, scars, scrawl, shark, sharp, Sharpe, shawl, small, smart, snarl, sol, solve, spar, spark, spars, sparse, sprawled, squall, stall, star, starch, stark, Starr, stars, start, starve, tal, tall, tar, tarn, tarred, tart, thrall, tol, vault, voir, wall, Walsh, Walt, waltz, wor, yard, yarn
2 Syllables: SU
2 Syllables: US
3 Syllables: UUS
4 Syllables: UUUS
6 Syllables: UUUUSU

Found 251 words across 6 groupings. Skipped 108 excess words of a similar stem.