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