3 Syllables: SUU
functionally, literally, miserably, nationally, rationally
4 Syllables: SUUU
criminally, liberally, literacy, marginally, nominally, personally, rigorously, vigorously
4 Syllables: USUU
conditionally, deliberately, exceptionally, originally, proportionally, provisionally, traditionally
5 Syllables: USUUU
considerably, conventionally, diagonally, episcopacy, illiteracy, intentionally, legitimacy, legitimately, occasionally, professionally, reciprocally
5 Syllables: UUSUU
educationally, unconditionally, unequivocally, unintentionally
6 Syllables: UUSUUU
constitutionally, illegitimacy, indiscriminately, longitudinally, superficiality

Found 40 words across 6 groupings.