2 Syllables: SU
arrow, Barrow, Bello, bellow, Cato, credo, echo, eco, fellow, ferro, fresco, ghetto, Greco, halo, marrow, Mayo, meadow, mellow, memo, narrow, nemo, payroll, Pedro, Pharaohs, Plato, Pueblo, Puerto, railroad, sparrow, vero, yellow, Zeno
3 Syllables: USU
Diego, Francesco, Horatio, Janeiro, octavo, Othello, Palermo, Pietro, potato, tomato, tornado, volcano
4 Syllables: UUSU
5 Syllables: UUSUU
Found 47 words across 4 groupings. Skipped 6 excess words of a similar stem.