Months of the year

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Across
  1. 2. ???,December
  2. 4. ???July,August
  3. 7. December,???,February
  4. 8. March,???,May
  5. 9. September,???,November
Down
  1. 1. ???,October,November
  2. 3. January,???,March
  3. 4. May,June,???
  4. 5. ???,June,July
  5. 6. February,???