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