1. carvalho   fir   oak   elm   poplar   Hint Half-n-half Clue   2. bétula   birch   fir   poplar   elm   Half-n-half Clue   3. álamo   poplar   beech   cedar   maple   Half-n-half Clue   4. cedro   cedar   oak   fir   pine   Half-n-half Clue   5. beech   beech   oak   birch   pine   Half-n-half Clue   6. pinho   beech   maple   birch   pine   Half-n-half Clue   7. ulmeiro   chestnut   elm   cedar   pine   Half-n-half Clue