Crossword Impossible

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Across
  1. 4. a line of colors across the sky
  2. 5. golden source of light and heat
  3. 6. the fluid of life
  4. 7. a fish of gold
Down
  1. 1. tailed person
  2. 2. a beauty sits apron a stem
  3. 3. a horse with a horn
  4. 8. a winged person