Or search: pee, rat, rot, sob, wee, bunk, darn, dirt, dump, dung, guff, hoot, jack, stag, feces
1 Syllable: S
2 Syllables: SU
2 Syllables: US
3 Syllables: SUU
3 Syllables: UUS
4 Syllables: UUUS

Found 261 words across 6 groupings. Skipped 82 excess words of a similar stem.