3 Syllables: SUU
4 Syllables: SUUU
5 Syllables: USUUU
abominable, companionable, considerable, determinable, imaginable, impressionable, inalienable, inimitable, interminable, objectionable, unfashionable, unpardonable, unquestionable, unseasonable
6 Syllables: UUSUUU
Found 24 words across 4 groupings.