2 syllables:
brien, brion, bryan, bryen, bryon, buyan, buy in, by in, cryan, cryin', cry in, dian, die in, dion, dry in, dye in, flyone, fly in, fry in, gaian, guyon, guy in, gwion, heian, high in, huayan, huyen, hyun, ion, kayan, kayane, keihin, leihen, lie in, lion, lionne, lyon, maian, mayan, mion, my in, naion, paien, pie in, pryan, psion, quien, raion, rhian, rion, ryan, ryen, ryon, schneien, schreien, scion, skien, sky in, spy in, thion, tiein, tie in, tryin', tryon, try in, why in, wian, wion, wyan, zeien, zion

3 syllables:
achaian, aimyon, akbayan, alion, altaian, ant-lion, ant lion, apply in, aryen, befreien, bisayan, bruneian, cagayan, cairnryan, cantion, chongryon, dacryon, denyen, dicyan, eupryion, euryon, geryon, ghanaian, hawaiian, ixion, jane bryan, johyun, july in, karyon, kedayan, li-ion, luke bryan, mauryan, mcbrien, melion, nvryan, o'brian, o'brien, o'bryan, obrian, obrien, obryan, olayan, ophryon, orion, procyon, reply in, sablayan, sea lion, supply in, tropaion, tylion, vinayan, visayan

4 syllables:
ahn jae-hyun, alectryon, amphitryon, anakbayan, anthelion, anthocyan, aphid lion, caesarion, celine dion, censorian, chippewaian, condylion, coppelion, dactylion, dandelion, daniel bryan, dikaryon, erechtheion, gerontion, gorgoneion, hellenian, herakleion, herodian, herodion, himalayan, innereien, jeri ryan, jun ji-hyun, kim so-hyun, kim soo-hyun, lee do-hyun, leo ryan, longyearbyen, mesophryon, micoquien, mountain lion, oenocyan, padelion, paraguayan, pommelion, prosodian, prytaneion, pyrocyon, seohyun, signifyin, sk rapid wien, social lion, synkaryon, triskelion, urocyon, uruguayan, xenocyon, xiphoidian

5 syllables:
amphikaryon, antibaryon, conan o'brien, dwarf dandelion, dylan o'brien, evangelion, fall dandelion, hemikaryon, hippalectryon, hydrogen ion, hydroxide ion, katherine ryan, leo the lion, liam o'brien, nemean lion, olonkinbyen, perikaryon, ryu sung-hyun, sandiganbayan, steller sea lion

6 syllables:
ammonium ion, australian sea lion, common dandelion, daenerys targaryen, heterokaryon, nimisha sajayan, richard coeur de lion, russian dandelion

7 syllables:
california sea lion, march comes in like a lion

8 syllables:
california dandelion, south american sea lion, the end of evangelion

10 syllables:
neon genesis evangelion