Here’s the puzzle!

---- --rt- ---t-'- ---e- a-- --r--e- e---e ---r-e-- t-r---- t--e a-- --a-e,
a- t-t-e- ---- a- "-r-- -ere T- T-ere" a-- "T-e Ret-r-" ----e-t.
--te-rat--- Art -- -a----.
T-e ----er--t- -- -e- ---t- -a-e- ----e-t---.

sana A10 = 20
mrspunkysmom T18 R12 = 30
kokopup E21 = 42

Letters to guess:

BCD FGHIJKLMNOPQS UVWXYZ