1 Syllable: S
2 Syllables: SU
2 Syllables: US
affront, Amiens, among, amongst, become, begun, benumbed, Bodleian, confront, Crimean, defunct, expunged, Korean, Lyceum, outdone, outrun, succumb, therefrom, undone
3 Syllables: SUU
3 Syllables: USU
3 Syllables: UUS
4 Syllables: UUSU
4 Syllables: UUUS
5 Syllables: UUUSU

Found 279 words across 9 groupings. Skipped 94 excess words of a similar stem.