'S' and 'Z'

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Across
  1. 3. /nɔɪz/
  2. 5. /saʊnd/
  3. 6. /naɪs/
  4. 7. /stɪl/
  5. 8. /ˈreɪ.zər/
  6. 9. /ˈiː.zi/
Down
  1. 1. /zuː/
  2. 2. /ˈmjuː.zɪk/
  3. 4. /ˈsæŋk.tʃʊə.ri/
  4. 5. /stiːl/