268. Why do these five characters all seem so reflective? 内 半 周 不 用

Answer:

内  NAI, uchi - inside

半  HAN, naka(ba) - half

周  SHUU, mawa(ri) - round. loop. lap

不  FU, BU - negative

用  YOU, mochi(iru) - use, business

They all look the same when reflected in a mirror!