Or search: weekend, sabbatum
3 Syllables: SUU
Aberdeen, anarchy, batteries, battery, dastardly, factories, factory, flatteries, flattery, latterly, masterly, Saturdays, Thackeray
4 Syllables: USUU
olfactory, refractory, unnaturally
4 Syllables: UUSU
satisfactory
5 Syllables: UUSUU
manufactories, manufactory
6 Syllables: UUUSUU
unsatisfactory

Found 20 words across 5 groupings.