Or search: cannery, conveyer, conveyor, transporter, manufactory
3 Syllables: SUU
Aberdeen, batteries, battery, factory, flatteries, flattery, latterly, Saturday, Thackeray
4 Syllables: USUU
olfactory, refractory
4 Syllables: UUSU
satisfactory
5 Syllables: UUSUU
manufactories, manufactory
6 Syllables: UUUSUU
unsatisfactory

Found 15 words across 5 groupings. Skipped 1 excess word of a similar stem.