1. city, town   plain   city, town   ocean   valley   Hint Half-n-half Clue   2. reká, réki   river   desert   city, town   lagoon   Half-n-half Clue   3. óstrov, ostrová   island   strait   oasis   city, town   Half-n-half Clue   4. plateau   plain   bay   river   plateau   Half-n-half Clue   5. lagoon   lagoon   desert   glacier   reef   Half-n-half Clue   6. plain   continent   plain   mountain   bay   Half-n-half Clue   7. waterfall, falls   waterfall, falls   continent   plain   lagoon   Half-n-half Clue