2 Syllables: SU
Barrett, cleric, Eric, Erich, ferric, garret, Garrett, Garrick, Herrick, merits, surplice, turbid
3 Syllables: SUU
3 Syllables: USU
4 Syllables: UUSU

Found 22 words across 4 groupings. Skipped 1 excess word of a similar stem.