Tricky words

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Across
  1. 2. has 28/29 days only
  2. 4. your sibling's daughter
  3. 7. the season we know as fall
  4. 8. the first month of the year
  5. 12. your mom's boy is her..
  6. 13. your mom's dad
  7. 16. it comes before September
  8. 17. your dad's son is your...
  9. 18. your mom or dad is your...
  10. 19. when you have a girl she is your...
  11. 20. your mom is your dad's...
Down
  1. 1. your parent's siblings child is your
  2. 3. the last month of the year
  3. 5. it comes after April
  4. 6. if your dad has a new wife she is your...
  5. 9. your brother or sister
  6. 10. your mom's mom
  7. 11. the 3rd month of the year
  8. 14. the person you love playing with
  9. 15. if your mom has a new husband he is your..