1. desert   taiyou, kaiyou   sabaku   tairiku   kaikyou, seto   Hint Half-n-half Clue   2. sea   umi   sekiko,kata   kougen, daichi   taki   Half-n-half Clue   3. strait   yokuchi, oasisu   kaikyou, seto   heiya   taki   Half-n-half Clue   4. lagoon   kawa, kasen   mizuumi   shyou, anshyou   sekiko,kata   Half-n-half Clue   5. valley   umi   tani   kawa, kasen   tairiku   Half-n-half Clue   6. waterfall, falls   kaikyou, seto   tairiku   taki   umi   Half-n-half Clue   7. continent   umi   tairiku   misaki   wan   Half-n-half Clue