1.   rest

2.   perhaps

3.   certain

4.   feel

5.   peaceful

6.   across

7.   science

8.   decade

9.   decide

10.                     place

11.                     muscle

12.                     citizen

13.                     their

14.                     principal

15.                     they’re

16.                     cycle

17.                     trousers

18.                     fierce

19.                     slough

20.                     hatchet

21.                     there