the skeleton key

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Across
  1. 4. to use poisonous gas to kill
  2. 6. Doesn't end
  3. 7. friendly only to members of the group
  4. 9. to make large twisting movements
  5. 10. planned and controlled movement
Down
  1. 1. bad smell
  2. 2. a curved sword used for agriculture
  3. 3. getting information in war
  4. 5. A formation of things ready to attack
  5. 8. To be enough