UNI WORDS

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Across
  1. 2. an instance of saying the same words or sounds at the same time; in group that sounds like one
  2. 3. one group
  3. 4. moving in only one direction
  4. 6. having only one cell
Down
  1. 1. to join together into one group
  2. 2. a one-piece leotard and tights combination
  3. 3. a one-wheeled vehicle on which the rider sits and pedals
  4. 5. one of a kind; unusual or rare