1. making
2. using
3. biking
4. joking
5. hoping
6. moving
7. diving
8. timing
9. biting
10. wiggling
11. hibernating
12. estimating
13. locating
14. organizing
15. outlining
16. illustrating
17. criticizing
18. closing
19. migrating
20. completing
Challenge words
congratulation
creation
decoration
generation
imitation
illustration
indication
translation
production
introduction
reduction
reproduction
explosion