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