Anthony's Crossword Puzzle

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Across
  1. 5. One sided
  2. 6. Group that sounds like one
  3. 7. Having only one cell
  4. 8. One-piece leotard and tights combination
Down
  1. 1. One-wheeled vehicle with pedals
  2. 2. Horse-like fabled animal with one horn growing out of middle of forehead
  3. 3. One of a kind
  4. 4. One group
  5. 5. Moving in only one direction
  6. 7. Join together in one direction