Irregular singular nouns

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Across
  1. 5. Laflin is not a man, she is a
  2. 7. you need this to start a fire
  3. 9. this is in your mouth. Sometimes they are loose and you lose them
  4. 10. a human
  5. 11. you don't want to find even a single one of these in your hair
  6. 13. this is an animal that some people say is sly
  7. 14. when you are first born you are a _____
Down
  1. 1. you put this into your shoe
  2. 2. this is when the sun goes down and it gets dark
  3. 3. an animal that honks; sometimes people say they are silly
  4. 4. you drink water from this
  5. 6. some people scream and jump on a chair when they see this rodent
  6. 7. Mr. Dix in not a woman he is a
  7. 8. older than a baby but younger than a teenager
  8. 12. Wind and the Willows was a fictional ___