"pardon" in Ainu is na (ナ). Itak-uoeroskip, a categorised Ainu glossary.
は？、えっ？、ん？、ふん？、なんだって？、なんて？
huh?, what?, pardon?, uh-hm?, excuse me?
啊？，什麼？，嗯？，咦？
