Or search: brassica, crucifer
3 Syllables: SUU
centuries, century, century's, Emery, energies, energy, memories, memory, plenary, sensory, tenderly
4 Syllables: SUUU
dispensary
4 Syllables: USUU
exemplary, extempore, peremptory
4 Syllables: UUSU
elementary
5 Syllables: UUSUU
alimentary, complimentary, documentary, parliamentary, penitentiary, rudimentary, sedimentary, supplementary, testamentary
6 Syllables: UUUSUU
plenipotentiaries

Found 26 words across 6 groupings.