1. abete   fir   pine   elm   birch   Hint Half-n-half Clue   2. acero   maple   poplar   beech   oak   Half-n-half Clue   3. pino   pine   maple   fir   birch   Half-n-half Clue   4. faggio   cedar   elm   beech   fir   Half-n-half Clue   5. quercia   maple   pine   chestnut   oak   Half-n-half Clue   6. betulla   fir   cedar   oak   birch   Half-n-half Clue   7. pioppo   chestnut   fir   poplar   oak   Half-n-half Clue