Yotsugana
Four kana: じ/ジ (zi or ji), ぢ/ヂ (di), ず/ズ (zu), づ/ヅ (du), that historically represented four distinct voiced morae, but which merged into two morae /ʑi/, /zɯ/ in modern standard Japanese.
Four kana: じ/ジ (zi or ji), ぢ/ヂ (di), ず/ズ (zu), づ/ヅ (du), that historically represented four distinct voiced morae, but which merged into two morae /ʑi/, /zɯ/ in modern standard Japanese.
