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 type of liqueur.

1. Counterfoil

2. Tolerate, endure

3. Roster of duties

4. Social insects

5. Painful

6. Heinous

7. Minus

8. Cult

9. Group of three

10. Of the ears

11. Set of actors

12. Therefore

13. Wound mark

14. Ridge of coral

15. Petrol, say

16. Young sheep