Best Friends

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Across
  1. 1. A man's best friend
  2. 2. A monkey's best friend
  3. 3. A dog's best friend
  4. 5. A fly's best friend
Down
  1. 1. A girl's best friend
  2. 3. A cat's best friend
  3. 4. An ant's best friend
  4. 6. A horse's best friend