Ryan's crossword puzzel

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Across
  1. 2. two pointed tooth
  2. 4. two footed creature
  3. 5. two months
  4. 7. one group
  5. 8. join one group
  6. 9. eyeglass with two different sections
Down
  1. 1. every two weeks
  2. 2. two pairs of wings
  3. 3. one sided
  4. 4. different languages
  5. 6. a horse liked fable
  6. 7. rare