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