1. 救護員   shore   wave   surfboard   lifeguard   Hint Half-n-half Clue   2. 貝   surfboard   swimsuit   shell   sand castle   Half-n-half Clue   3. 砂の城   shore   sand castle   swim   shell   Half-n-half Clue   4. 手桶   lifeguard   pail   wave   swimming trunks   Half-n-half Clue   5. 海   wave   shore   swimsuit   sea   Half-n-half Clue   6. 岸   sand castle   shore   swimsuit   swim   Half-n-half Clue   7. 波乗り板   shell   shore   sea   surfboard   Half-n-half Clue