1. keep

2. green

3. tree

4. clean

5. please

6. eat

7. mean

8. read

9. need

10. feel

11. team

12. three

13. these

14. sleep

15. allow

16. keep

17. green

18. tree

19. clean

20. please

21. eat

22. mean

23. read

24. need

25. feel

26. team

27. three

28. these

29. sleep

30. allow