3 Syllables: SUU
gingerly, industry, infamy, infancy, infantry, injury, inquiry, instantly, inwardly, linearly, minstrelsy, minutely, principes, stringency, symmetry, sympathy, symphony, timidly, Trinity
4 Syllables: USUU
5 Syllables: UUSUU
6 Syllables: UUUSUU
Found 32 words across 4 groupings.