Complete the crossword puzzle below

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Across
  1. 8. the coming together of objects with great force; crash; collision
  2. 9. to put together by assembling component parts; build.
  3. 12. to become aware of by means of the senses.
  4. 13. capable of coming into existence; possible; latent.
  5. 14. a part of any whole.
  6. 15. Several aspects of the speech deserve analysis
Down
  1. 1. a law, doctrine, or assumption on which action or behavior is based.
  2. 2. an element of the face such as the eyes, nose, or chin.
  3. 3. having a complicated structure; not simple.
  4. 4. following as a consequence or result.
  5. 5. a proposed explanation of something, usu. based on abstract reasoning.
  6. 6. to go forward or move on from a particular point.
  7. 7. to change; alter; modify.
  8. 10. related to or connected with the present matter; pertinent.
  9. 11. clearly different or set apart; separate (often fol. by "from")