2 Syllables: SU
Abbot, Abbott, acid, agate, Alex, arras, Assoc, Atlas, ballast, ballot, barrack, basket, blackest, blasted, brackets, Cabot, Caliph, callous, carrot, casket, Cassius, Dallas, damask, facet, faggots, fastest, gallop, gamut, gratis, gravest, habit, hammock, hapless, hatchet, havoc, jacket, Janet, lapis, lasted, lattice, Madras, malice, mattress, packet, paddock, Paget, palace, palate, palette, Pallas, pallet, placid, planet, rabbit, saddest, status, tablet
3 Syllables: SUU
3 Syllables: USU
4 Syllables: UUSU
Found 70 words across 4 groupings. Skipped 13 excess words of a similar stem.