3 Syllables: SUU
copiously, courteously, curiously, furiously, gloriously, hideously, hopelessly, Josephine, obviously, previously, seriously, studiously, variously
4 Syllables: USUU
diplomacy, erroneously, imperiously, industriously, injuriously, insidiously, laboriously, luxuriously, mysteriously, notoriously, precariously, spontaneously, victoriously
5 Syllables: UUSUU
ignominiously, instantaneously, simultaneously
6 Syllables: UUUSUU
contemporaneously, unceremoniously

Found 31 words across 4 groupings.