1. Course: Collocation of Course
2. Grass: Collocation of Grass
3. Leg: Collocation of Leg
4. Abbreviation: Collocation of Abbreviation
5. Cover: Collocation of Cover
6. List: Collocation of List
7. Length: Collocation of Length
8. environment: Collocation of environment
9. Field: Collocation of Field
10. Edge: Collocation of Edge
11. explorer: Collocation of explorer
12. Mind: Collocation of Mind
13. Eye: Collocation of Eye
14. Engineer: Collocation of Engineer
15. Story: Collocation of Story
16. Subject: Collocation of Subject
17. Ethics: Collocation of Ethics
18. Group: Collocation of Group
19. Control: Collocation of Control
20. Episode: Collocation of Episode
