1. ---- a an zebra
2. ---- a an owl
3. ---- a an giraffe
4. ---- a an gorilla
5. ---- a an alligator
6. ---- a an lizard
7. ---- a an horse
8. ---- a an elk
9. ---- a an iguana
10. ---- a an kitten
11. ---- a an ocelot
12. ---- a an yak
13. ---- a an skunk
14. ---- a an ox
15. ---- a an ostrich
16. ---- a an whale
17. ---- a an turtle
18. ---- a an octopus
19. ---- a an puppy
20. ---- a an elephant