Example:
bee  bees

12. real  unreal

13. refuse  reuse

14. like  dislike

15. sly  slowly

16. bagful  brag

17. foot  footless

18. darkness
daytime

19. fastre  faster

20. fourth  fifth

21. sleepy sleepe

22. gron  grown

he is

23. his  he's

zipper

24. z-ipper
zip-per