1. cedro   elm   pine   cedar   fir   Hint Half-n-half Clue   2. olmo   fir   pine   maple   elm   Half-n-half Clue   3. albero della castagna   chestnut   poplar   birch   fir   Half-n-half Clue   4. pioppo   beech   chestnut   poplar   fir   Half-n-half Clue   5. pino   poplar   chestnut   birch   pine   Half-n-half Clue   6. abete   pine   fir   maple   cedar   Half-n-half Clue   7. quercia   cedar   oak   elm   fir   Half-n-half Clue