MENTAL FLEXIBILITY

Each item below contains a number and the initials of the words that complete the phrase. Fill in the blanks.
Example:
12—M in a Y is 12 Months in a Year

I am posting this partly for fun and partly because we need some of the answers! We don't have all of them yet. I will post the numbers to the ones we don't have at the bottom and later post all the answers if nobody gets them all. Thanks! Some are Americanisms only.

1. 26—L in the A
2. 7—W of the W
3. 1001—A N
4. 12—S of the Z
5. 54—C in a D (with the J)
6. 9—P in the SS
7. 88—P K
8. 13—S on the A F
9. 32—D F at which W F
10. 18—H on a G C
11. 90—D in a R A
12. 8—S on a S S
13. 3 B M (S H T R)
14. 4—Q in a G
15. 24—H in a D
16. 1—W on a U
17. 5—D in a ZC
18. 57—H V
19. 11—P on a F T
20. a P is worth a T W
21. 29—D in F in a L Y
22. 10 Y in a D
23. 12 D of C
24. 10—L I
25. 54—F or F
26. 13—is a B D
27. 4—and T B B

We don't have 6,7,8,9,13,16,17,18, or 27.