1. customs    kanzei   hikouki, hikōki   kazoku   kaato, kāto   Hint Half-n-half Clue   2. international    kokusai   eahosutesu   joukyaku, jōkyaku   hikouki, hikōki   Half-n-half Clue   3. aisle seat     nyuukoku, nyūkoku   Kanzei   gohan   tsuurogawa, tsūrogawa   Half-n-half Clue   4. money exchange    furaitonanbaa, furaitonanbā   kawase   kaato, kāto   earain   Half-n-half Clue   5. currency    kukou, kūkō   joukyaku, jōkyaku   hikoushi, hikōshi   tsuuka, tsūka   Half-n-half Clue   6. baggage van    kawase   nimotsusha   kanzei   sashou, biza   Half-n-half Clue   7. number    bangou, bangō   nyuukoku, nyūkoku   Kanzei   okane   Half-n-half Clue