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