1. kaba   hippopotamus   walrus   porcupine   otter   Hint Half-n-half Clue   2. burudoggu   bulldog   rhinoceros   porcupine   polar bear   Half-n-half Clue   3. cheeta   cheetah   ass   gorilla   shark   Half-n-half Clue   4. hokkyoku-guma   ass   polar bear   jackal   mare   Half-n-half Clue   5. kōmori   toad   jackal   bat   porcupine   Half-n-half Clue   6. roba   kangaroo   ass   bulldog   antelope   Half-n-half Clue   7. iruka   hippopotamus   bison   dolphin   ox   Half-n-half Clue