Answer:
1. pack: clack, whack
2. deck : check, beck
3. sick : click, chick
4. lock : rock, knock, clock
5. luck : duck, muck
6. about : doubt, clout
7. O : no, oh
8. back : rack,
9. lick : brick, slick
10. kick : tick, blick
Step-by-step explanation: