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