甲乙丙丁 こうおつへいてい Meanings Noun A, B, C and D; first, second, third and fourth Kanji 甲 armor. Read as コウ. 乙 latter. Read as オツ. 丙 third. Read as ヘイ. 丁 polite. Read as テイ. Jinuma: Japanese Dictionary · Word lists