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