Or search: kid, baby, dent, edit, exit, heir, leak, rent, wake, remit, topic, egress, eldest, emerge, impact
2 Syllables: SU
issue, situ, tissue
3 Syllables: USU
continued
4 Syllables: UUSU
discontinued

Found 5 words across 3 groupings. Skipped 2 excess words of a similar stem.