1. elm   Kastaniebaum   Ulme   Zeder   Pappel   Hint Half-n-half Clue   2. beech   Ahorn   Buche   Kiefer   Tanne   Half-n-half Clue   3. birch   Pappel   Birke   Kiefer   Tanne   Half-n-half Clue   4. chestnut   Kastaniebaum   Ulme   Birke   Tanne   Half-n-half Clue   5. fir   Kiefer   Birke   Pappel   Tanne   Half-n-half Clue   6. pine   Pappel   Kastaniebaum   Tanne   Kiefer   Half-n-half Clue   7. poplar   Kastaniebaum   Pappel   Zeder   Tanne   Half-n-half Clue