1 Syllable: S
2 Syllables: SU
button, cousin, Covent, Cullen, currants, currents, custom, dozen, Drummond, Durham, Dutton, glutton, Hutton, Justin, mutton, oven, Prussian, roughened, Russian, Rutland, sudden, Sultan, summon, Sutton, Tuscan, twopence, upland, urine, Vulcan
3 Syllables: USU
accustom, Augustan, compulsion, concurrence, concurrent, concussion, consultant, convulsion, discussion, emulsion, escutcheon, Etruscan, expulsion, exultant, indulgence, indulgent, occurrence, percussion, propulsion, recurrence, recurrent, repulsion, resultant, revulsion, Tertullian, transference
4 Syllables: UUSU
Found 58 words across 4 groupings. Skipped 18 excess words of a similar stem.