1. さんがく   peak   strait   bay   mountain   Hint Half-n-half Clue   2. たに   country   reef   bay   valley   Half-n-half Clue   3. へいや   strait   sea   oasis   plain   Half-n-half Clue   4. こうげん、だいち   peak   lagoon   bay   plateau   Half-n-half Clue   5. せきこ、かた   river   lagoon   country   ocean   Half-n-half Clue   6. さんちょう、みね   peak   river   oasis   country   Half-n-half Clue   7. うみ   glacier   sea   continent   waterfall, falls   Half-n-half Clue