2 Syllables: SU
arrow, Barrow, Bello, bellow, echo, eco, elbow, fellow, ferro, fresco, ghetto, Greco, marrow, meadow, mellow, memo, narrow, nemo, Pharaoh, Pueblo, sparrow, vero, yellow
3 Syllables: USU
4 Syllables: UUSU
Found 28 words across 3 groupings. Skipped 7 excess words of a similar stem.