1. qi shu   cedar   beech   fir   maple   Hint Half-n-half Clue   2. shan mao ju   fir   beech   maple   chestnut   Half-n-half Clue   3. hua shu   cedar   chestnut   elm   birch   Half-n-half Clue   4. bai yang shu   pine   fir   beech   poplar   Half-n-half Clue   5. li zi   chestnut   pine   beech   maple   Half-n-half Clue   6. yu mu   birch   cedar   elm   beech   Half-n-half Clue   7. xue song   pine   cedar   oak   elm   Half-n-half Clue