1. hua shu   birch   oak   maple   cedar   Hint Half-n-half Clue   2. yu mu   cedar   elm   oak   chestnut   Half-n-half Clue   3. li zi   chestnut   oak   elm   fir   Half-n-half Clue   4. [sha;shan] mu   pine   chestnut   poplar   fir   Half-n-half Clue   5. xue song   chestnut   cedar   birch   fir   Half-n-half Clue   6. leng [sha;shan]   poplar   cedar   fir   beech   Half-n-half Clue   7. qi shu   pine   oak   maple   elm   Half-n-half Clue