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