A as in snail hay cake lady grey great eight

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Across
  1. 1. A little gap.
  2. 5. A mixture of black and white.
  3. 6. A engine that runs rails.
  4. 7. A flying vehicle.
  5. 9. Something weird.
Down
  1. 2. A two digit number.
  2. 3. A scared feeling.
  3. 4. A unknown person.
  4. 7. A liquored color.
  5. 8. The fourth month.