voiced and unvoiced V

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Across
  1. 2. Easily hurt or affected; not strong or protected.
  2. 6. A green fruit with a big seed and soft flesh, often used in guacamole.
  3. 8. A flowing style of writing where letters are joined.
  4. 11. One single person, not part of a group.
  5. 12. To move forward or make progress.
  6. 13. Worried or anxious about something.
Down
  1. 1. Able to be seen.
  2. 3. To change from a liquid to a gas, often when heated.
  3. 4. Sure to happen; cannot be avoided.
  4. 5. A request asking someone to come to an event or place.
  5. 7. A long journey, usually by ship.
  6. 9. Done by choice; not required.
  7. 10. To shake or move suddenly and violently.