Count on this nursery rhyme to bring you to the cache:
Simple Simon met a pieman,
Going to the fair;
Says Simple Simon to the pieman,
Let me taste your ware.
Says the pieman to Simple Simon,
Show me first your penny;
Says Simple Simon to the pieman,
Indeed I have not any.
N (D+F) (U)° Q P.(G+R) P H
W (H+V) (T-A)° (W-V) (S-T). B H (M-Y)
[If you would like to hear this rhyme in song form: https://www.youtube.com/watch?v=qKn2iRCO_VU]
You can validate your puzzle solution with certitude.