2 Syllables: SU
Abbot, Abbott, agate, Alex, Angus, anxious, arras, Assoc, Atlas, ballast, ballot, bandaged, barrack, basket, blackest, brackets, branches, Cabot, Caliph, callous, cameras, campus, canvas, canvassed, carrot, casket, Cassius, chances, Dallas, damage, damask, dances, facet, faggots, fastest, Francis, frankness, gallop, gamut, grandest, gratis, gravest, habit, hammock, hapless, hatchet, havoc, jacket, Janet, Kansas, language, lapis, lattice, Madras, malice, mammoth, manage, mattress, packet, paddock, Paget, palace, palate, palette, Pallas, pallet, pancreas, planet, rabbit, ranches, saddest, stanzas, status, tablet, thankless, vantage
3 Syllables: SUU
3 Syllables: USU
4 Syllables: UUSU
Found 92 words across 4 groupings. Skipped 17 excess words of a similar stem.