こう
 
おつ

expression

  1. the former and the latter, A and B.

Variations

Pronunciation Kanji Kana Is Common
こう
 
おつ
甲と乙 こうとおつ

Contained Kanji Breakdown

armor, high (voice), A grade
かぶと コウ カン (8th, N1)
the latter, duplicate, strange
おと- オツ イツ (8th, N1)