2 syllables:
bena, bene, bene-, benna, brenna, daena, denna, ena, gena, genna, glenna, henna, jenna, kenna, khenna, lenna, menna, men a, nenna, pena, pene-, penna, penta-, pheno-, plena, quena, renna, sena, seneh, senna, stena, tena, tenna, then a, when a, zenna

3 syllables:
3arena, adeno-, again a, alhenna, allena, alzena, amena, antena, antenna, asena, bolsena, cantenna, cassena, celena, cesena, condena, delena, desena, duena, duenna, ellena, erena, escena, fermenta, garena, gehenna, gerena, hegenna, jidenna, lapenna, larena, laurena, lorena, marena, massena, mckenna, modena, morwenna, payena, porsenna, ravenna, regena, requena, scatena, sienna, sirena, subpena, tangena, transenna, true senna, utena, varenna, wild senna

4 syllables:
akrafena, avicenna, bladder senna, bodhisena, burnt sienna, camarena, catallena, chiavenna, coffee senna, contrasena, coryphaena, delapena, dellapenna, devasena, dish antenna, genus senna, keyarena, lokasenna, maddalena, madelena, mega-sena, ognibene, olibene, raw sienna, richard crenna, shurasena, surasena, terebene, tornabene, ugrasena, vrishasena

5 syllables:
adiabene, coralligena, dipole antenna, diterebene, indian senna, terence mckenna, tv-antenna, vasantasena

6 syllables:
battle of ravenna, radio antenna

7 syllables:
alexandria senna, death of ayrton senna, directional antenna, television antenna

2 syllables:
gemma, lemma, emma

3 syllables:
dilemma, blastema, oedema

4 syllables:
agrostemma, axolemma, treponema, sarcolemma, sarcostemma, trichostema