1. summer   maishuu   aki   nishuukan   natsu   Hint Half-n-half Clue   2. monthly   kisetsufuu   maitsuki   shihanki   haru   Half-n-half Clue   3. week   kisetsufuu   maitsuki   haru   shuu   Half-n-half Clue   4. weekly   maishuu   shuu   hantoshigoto   nenyonkai   Half-n-half Clue   5. annual   aki   nichijou   nenji   nenyonkai   Half-n-half Clue   6. biannual   nenninikai   natsu   maishuu   nishuukan   Half-n-half Clue   7. daily   shuu   shihanki   nichijou   nenji   Half-n-half Clue