Or search: outright, instantly
3 Syllables: SUU
amnesty, angrily, Antony, anxiously, bankruptcy, Chancery, courteously, curiously, fantasies, fantasy, frantically, furiously, gloriously, handsomely, hideously, manfully, obviously, previously, randomly, scantily, seriously, studiously, thankfully, variously
4 Syllables: USUU
erroneously, financially, harmoniously, imperiously, industriously, injuriously, insidiously, laboriously, luxuriously, mysteriously, notoriously, philanthropy, precariously, spontaneously, substantially, victoriously
5 Syllables: UUSUU
ignominiously, simultaneously, understandably
6 Syllables: UUUSUU
contemporaneously, unceremoniously

Found 45 words across 4 groupings.