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