1. 水泳着   shell   surfboard   pail   swimsuit   Hint Half-n-half Clue   2. 砂   swimsuit   sea   sand   wave   Half-n-half Clue   3. 水泳パンツ   pail   swimming trunks   sea   shell   Half-n-half Clue   4. 砂の城   swimsuit   shell   surfboard   sand castle   Half-n-half Clue   5. 波   swimming trunks   pail   wave   shell   Half-n-half Clue   6. 救護員   swim   surfboard   lifeguard   pail   Half-n-half Clue   7. 岸   sand castle   shore   sea   sand   Half-n-half Clue