Or search: ko, gas, jar, rap, tap, bang, bash, belt, biff, blip, boot, brag, bump, clip, coke
1 Syllable: S
2 Syllables: SU
2 Syllables: US
3 Syllables: SUU
3 Syllables: UUS
4 Syllables: UUUS

Found 375 words across 6 groupings. Skipped 194 excess words of a similar stem.