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