WORD SPIRAL

Starting from 1, fill in the grid clockwise with four-letter words. The last letter of each word becomes the first letter of the next to reveal a 1. Precious metal 2. Diesel oil 3. Travel permit 4. Cognate 5. Midday 6. Common sense 7. Injure with a knife 8. Farm building 9. Require 10. Delicatessen, in short 11. Skin irritation 12. Maori war chant 13. Region 14. Atmosphere 15. Insects

16. Edible starch