Or search: stormy, blustering, blusterous, domineering
3 Syllables: SUU
brotherly, custody, cutlery, drudgery, gluttony, luckily, lustily, motherly, nunnery, shrubbery, southerly, subtly, summary, trustworthy, Tuscany
3 Syllables: USU
discovery, recovery
4 Syllables: USUU
discoveries, microscopy, recoveries, unluckily, untrustworthy
6 Syllables: UUUSUU
involuntarily

Found 23 words across 4 groupings.