こうおつへいてい 甲乙丙丁 LinksSentence search for 甲乙丙丁Sentence search for こうおつへいていKanji details for 甲, 乙, 丙 and 丁Edit in JMdict Noun1. A, B, C and D; first, second, third and fourth Discussions Log in to talk about this word.