1. かいどりえん   hole   aviary   cage   apiary   Hint Half-n-half Clue   2. あな   shed   cave   burrow   hole   Half-n-half Clue   3. すばこ   cage   hive   cave   nest   Half-n-half Clue   4. はらあな、どうくつ   kennel   cave   burrow   shed   Half-n-half Clue   5. あな   cage   aviary   nest   hole   Half-n-half Clue   6. こや   shed   stable   hive   cave   Half-n-half Clue   7. おり   cage   cave   hive   burrow   Half-n-half Clue