1. haya   elm   beech   oak   maple   Hint Half-n-half Clue   2. abedul   poplar   birch   pine   fir   Half-n-half Clue   3. cedro   elm   cedar   oak   pine   Half-n-half Clue   4. castaño   chestnut   maple   cedar   fir   Half-n-half Clue   5. olmo   chestnut   birch   oak   elm   Half-n-half Clue   6. arce   elm   oak   maple   birch   Half-n-half Clue   7. abeto   birch   oak   fir   cedar   Half-n-half Clue