2 syllables:
cygan, eigen, eigen-, feigen, feigin, igon, my gun, neigen, sai gon, schweigen, scigen, steigen, taigan, teigen, trigun, y gun, zeigen, aegan, agan, bagan, baygon, beguin, begun, bragan, cagan, chagan, dagan, dagon, deighan, fagan, fagin, feagan, feighan, gagan, hagan, hagen, jagan, kagan, kagen, kagin, k gun, lagin, laigin, maegan, magan, megan, meighan, nagin, pagan, peigan, phagan, plague in, ragan, raygun, ray gun, reagan, sagan, ssh-keygen, ssh keygen, vagin, vague in, yagan

3 syllables:
absteigen, anzeigen, aussteigen, bergsteigen, einsteigen, norweigan, ortygan, aa gun, andhagan, austragen, betragen, duke ragan, dunvegan, eintragen, geoghegan, mazagan, mohegan, monhegan, o'hagan, ohagan, plumbagin, ratchagan, replaygain, upeygan

4 syllables:
chrissy teigen, baekdudaegan, borkenhagen, copenhagen, duff mckagan, mallophagan, meliphagan, melliphagan, necrophagan, neopagan, phyllophagan, ronald reagan, saprophagan, semipagan, stiefelhagen, thalaimagan, xylophagan

5 syllables:
abgetragen

6 syllables:
ronald wilson reagan

2 syllables:
aden, brighton, taken, bacon, ratan, haydn, satan, leyden, ripen, dayton, waken, titan, saipan, brighten, maiden, baden, straighten, daikon, heighten, liken, widen, tighten, shaken, lichen, racon, whiten, taipan, platan, lighten, macon, triton, laden, frighten, straiten, leiden, biden, chitin, lyden, wyden, clayton

3 syllables:
unshapen, menhaden, forsaken, awaken, jamaican, misshapen, unshaken, poseidon, mistaken, enlighten, beard lichen, care-laden, chawbacon, corakan, handmaiden, ill-shapen

4 syllables:
reawaken, francis bacon, iron maiden, psilocybin, ascolichen, brachychiton, horsetail lichen, iceland lichen, joseph haydn, manawydan, manna lichen, reindeer lichen, godforsaken, heavy-laden, mbabane, overladen, sauerbraten, side of bacon, unforsaken

5 syllables:
archidiskidon, rhyacotriton

6 syllables:
canadian bacon, basidiolichen