So this took me quite a long time to answer and some I am not quite sure of but here it goes:
1. C
2. B
3. R
4. L
5. D
6. Q
7. G
8. E
9. K
10. I
11. H
12. O
13. T
14. P
15. J
16. A
17. F
18. N
19. M
20. S
Hope this helps, sorry if some are wrong!
bout, clout, crout, doubt, dought, doutt, drought, flout, fout, gout, grout, hout, knout, kraut, krout, lout, out, pout, prout, rout, routt, rowte, scout, shout, shrout, snout, spout, sprout, strout, trout, troutt
