1 Syllable: S
2 Syllables: SU
Becket, bedded, credit, debit, dreaded, ebbed, edit, epic, epoch, exit, fetid, Frederic, Frederick, fretted, headed, headship, hectic, legate, metric, netted, petted, sceptic, separate, septic, setup, skeptics, sweated, tepid, threaded, wedded, wetted, whetted
3 Syllables: SUU
3 Syllables: USU
abetted, accepted, acetic, aesthetic, affected, ascetic, athletic, beheaded, collected, connected, corrected, cosmetic, decrepit, deflected, dejected, detected, directed, discredit, dissected, eclectic, ejected, elected, electorate, electric, embedded, emetic, erected, esthetic, excepted, expected, genetic, geometric, imbedded, indebted, infected, injected, inspected, intrepid, kinetic, magnetic, neglected, objected, obstetrics, pathetic, perfected, phonetic, poetic, projected, prophetic, protected, reflected, regretted, rejected, respected, selected, subjected, symmetric, synthetic, theoretic
4 Syllables: UUSU
antiseptic, apathetic, arithmetic, diabetic, dialectic, disaffected, disconnected, energetic, epileptic, intercepted, intersected, misdirected, Polytechnic, recollected, resurrected, sympathetic, unaffected, unconnected, undetected, unexpected, unprotected, unsuspected
5 Syllables: UUUSU
6 Syllables: UUUUSU
Found 120 words across 7 groupings. Skipped 12 excess words of a similar stem.