Or search: ego, pin, ram, tip, bolt, capo, coil, coin, conn, crab, dock, drum, foam, helm, mull
1 Syllable: S
2 Syllables: SU
2 Syllables: US
3 Syllables: SUU
3 Syllables: UUS
4 Syllables: UUUS

Found 278 words across 6 groupings. Skipped 108 excess words of a similar stem.