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 planet.

1. Fifty per cent 2. Monetary penalty 3. Simple 4. Egg part 5. Leg joint 6. Resonation 7. Gamete 8. Repast 9. Period before Easter 10. Row 11. Wealthy 12. Assist 13. Lord 14. Ladder step 15. Pacific island 16. Brandy