Or search: elated, exultant, exulting, jubilant, triumphal, utterance, jubilation, triumphant, exultation, vocalization
2 Syllables: SU
boiling, broiling, coining, hoisting, joining, pointing, spoiling, toiling, voicing
3 Syllables: SUU
exploiting
3 Syllables: USU
adjoining, annoying, anointing, appointing, avoiding, destroying, employing, enjoining, enjoying, rejoicings
4 Syllables: UUSU
disappointing

Found 21 words across 4 groupings.