同士打どしうちCommonVariants同士打どしうち同士打ちどしうち同士討どしうち同士討ちどしうち同士打どうしうち同士打ちどうしうち同士討どうしうち同士討ちどうしうちMeaningsinternecine strifefriendly fire; killing each other by mistakeKanji used同agree士gentleman打dozen