2 Syllables: SU
abo, almost, also, aro, Austro, auto, borrow, Bravo, Caro, follow, grotto, hollow, lago, Malo, morrow, Moscow, motto, Otto, Paulo, Roscoe, sorrow, Strabo, swallow, Waldo, wallow, Walpole
3 Syllables: USU
Apollo, bravado, Chicago, Dorado, Morocco, mulatto, Palazzo, Romano, soprano, staccato, tomato, tomorrow
4 Syllables: UUSU
Found 40 words across 3 groupings. Skipped 6 excess words of a similar stem.