2 Syllables: SU
arrow, Barrow, Bello, bellow, echo, eco, fellow, ferro, fresco, ghetto, Greco, marrow, meadow, mellow, memo, narrow, nemo, Pharaoh, Pueblo, Puerto, sparrow, vero, yellow
3 Syllables: USU
4 Syllables: UUSU
Found 29 words across 3 groupings. Skipped 6 excess words of a similar stem.