A thief is afraid of the four letters"OICU'.Do you know why

A thief is afraid of the four letters"OICU'.Do you know why A thief is afraid of the four letters"OICU".Do you know why? A thief is afraid of the four letters"OICU".Dou you know why 1.a thief is afraid of the four letters''oicu''.do youk know Which four letters is the thief afraid of?小偷害怕哪四個英文字母? The post oficehas thousands of letters.A thief is afraid of the post office has thousands of letters.A thief is afraid o The post pffice has thousands of letters.A thief is afraid f Which four letters can frighten a thief? Which is the smallest number of the four,do you know? The post office has thousands of letters.A thief(小偷) is afra Which four letters are thieves afraid of?