Here's the puzzle:

-e -a- -ud-e the heart o- -a- -- his treat-e-t o- a-i-als. ~ I--a-uel -a-t

Rottieluver (e) 14 (u) 4 (d) 1
Annie (i) 6
petspoil (o) 4 (s) 2 (r) 2
Fuzzy317 (h) 3
Rottie (a) 16 (l) 2 (t) 6

The letters you have to choose from are:

BCFGJKMNPQVWXYZ