Or search: unco, notably, remarkably
2 Syllables: SU
actually, cruelties, cruelty, jewellery, jewelry
3 Syllables: SUU
brutally, gloomily, gradually, jubilee, ruefully, ruthlessly, truthfully, usefully, usually, virtually
4 Syllables: SUUU
annually, manually, mutually, sexually
4 Syllables: USUU
continually, habitually
5 Syllables: USUUU
conceptually, perpetually
5 Syllables: UUSUU
individually, intellectually

Found 25 words across 6 groupings.