1. 石鹸   toothpaste   cold water   soap   toothbrush   Hint Half-n-half Clue   2. 熱水   cold water   mirror   soap   hot water   Half-n-half Clue   3. 歯ブラシ   cold water   toothpaste   mirror   toothbrush   Half-n-half Clue   4. 冷水   cold water   toothbrush   faucet, tap   mirror   Half-n-half Clue   5. 歯磨き   bathtub   mirror   toothpaste   toothbrush   Half-n-half Clue   6. 浴槽   toothbrush   hot water   bathtub   cold water   Half-n-half Clue   7. 蛇口   faucet, tap   mirror   toothpaste   soap   Half-n-half Clue