870. Why do these five characters all seem so reflective? 単 末 未 申 夫

Answer:

They all look the same when reflected in a mirror!

単  TAN - single, simple

末  MATSU, BATSU, sue - end

未  MI - not yet

申  SHIN, mou(su) - say, be named

夫  FU, FUU, otto - husband