1. Birke   birch   cedar   fir   oak   Hint Half-n-half Clue   2. Eiche   chestnut   cedar   oak   fir   Half-n-half Clue   3. Kiefer   poplar   beech   pine   elm   Half-n-half Clue   4. Zeder   birch   pine   cedar   chestnut   Half-n-half Clue   5. Kastaniebaum   elm   fir   cedar   chestnut   Half-n-half Clue   6. Ulme   fir   cedar   elm   poplar   Half-n-half Clue   7. Ahorn   fir   chestnut   cedar   maple   Half-n-half Clue