WWORO D RS D PISRAPLIRAL

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 an African river.

1. Cod, say

2. Assistance

3. Sport

4. Norse god

5. Midday

6. Standard

7. Factory

8. Country road

9. Always

10. Inclined surface

11. Tow

12. Weaving apparatus

13. Female servant

14. Dreary

15. The two

16. Camel's feature