2 Syllables: SU
anno, ano, arrow, Barrow, Castro, fallow, Glasgow, hallow, macro, narrow, Palo, Paso, sallow, scarecrow, shadow, shallow, tallow, Tasso
3 Syllables: USU
4 Syllables: UUSU
Found 24 words across 3 groupings. Skipped 2 excess words of a similar stem.