oo as in dude

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Across
  1. 4. a type of tropical colourful bird
  2. 5. something to eat
  3. 7. a mound or ridges of sand
  4. 8. a colour
  5. 9. footwear
  6. 11. a beginner/amatuer
Down
  1. 1. a very sticky substance
  2. 2. Something to do with emotions
  3. 3. a formal sign of respect
  4. 4. a cylinder with a hollow shape inside
  5. 6. a slang way to address some one
  6. 10. a sound that an owl makes