Or search: elbe, serf, helot, italy, spain, calpe, ellas, suomi, slask, espana, greece, iberia, italia, latvia, poland
2 Syllables: SU
bullet, bullock, curate, Europe, fullest, jurist, lurid, purest, tourist
3 Syllables: USU
Honduras
4 Syllables: UUSU
Epicurus

Found 11 words across 3 groupings. Skipped 3 excess words of a similar stem.