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