Or search: gyro, meal, wrap, hoagy, wedge, butty, infix, bomber, burger, devise, hoagie, insert, reuben, repast, grinder
3 Syllables: SUU
amethyst, bandages, damages, languages, manages, vanishes
4 Syllables: USUU
advantages
4 Syllables: UUSU
disadvantages

Found 8 words across 3 groupings.