1. いずみ   spring   volcano   swamp   sea bed   Hint Half-n-half Clue   2. こううりん   territory   shore   summit, top   rainforest   Half-n-half Clue   3. みつりん   countryside   territory   jungle   globe   Half-n-half Clue   4. こやま、おか   territory   trench   hill   sea bed   Half-n-half Clue   5. ながれ   sea bed   stream   cliff   meadow, grassland   Half-n-half Clue   6. かいてい   marsh   spring   sea bed   landscape   Half-n-half Clue   7. おがわ、いりえ、   creek   forest, woods   spring   volcano   Half-n-half Clue