2 Syllables: SU
Abbot, Abbott, Acad, agate, Alex, arras, Assoc, Atlas, ballast, ballot, barrack, basket, blackest, brackets, cabinet, Cabot, Caliph, callous, carrot, casket, Cassius, chatted, Dallas, damask, facet, fastest, gallop, gamut, gratis, gravest, habit, hammock, hapless, hatchet, havoc, jacket, Janet, lapis, lattice, Madras, magnate, magnet, malice, mattress, packet, padded, paddock, Paget, palace, palate, palette, Pallas, pallet, patted, planet, rabbit, ragged, rapid, saddest, status, tablet
3 Syllables: SUU
3 Syllables: USU
analysed, attracted, Damascus, disastrous, distracted, elaborate, enacted, inhabit, Johannes, paralysed, Parnassus, reacted, retracted
4 Syllables: UUSU
Found 78 words across 4 groupings. Skipped 16 excess words of a similar stem.