Na (hiragana: ãª, katakana: ãÂÂ) are Japanese kana, which each represent one mora. The hiragana 㪠is made in four strokes, the katakana ã two. Both represent . 㪠and ã originate from the man'yà Âgana å¥Â. 㪠is used as part of the okurigana for the plain negative forms of Japanese verbs, and several negative forms of adjectives.