DECOCT
| Date | Clue |
|---|---|
| 2024-10-12 | Boil down |
| 2022-04-07 | Boil down |
| 2021-04-10 | Boil down |
| 2021-03-02 | Boil down |
| 2018-11-08 | Boil down |
| 2016-01-03 | Boil down |
| 2011-10-28 | Boil down |
| 2011-10-14 | Extract the essence of by boiling |
| 2003-10-30 | Make extracts from by boiling |
| 1999-09-19 | Extract by boiling |
| 1994-10-22 | Boil down |