There are 1 U, and 5 D's.

-i-e i- -i-e a do- --ed -ea-. I- -ou ai-'- --e -ead do-,
--e --e-e-- -e-e- --a--e-. -- -e-i- --i--a-d

Letters available:
B C F G H J K L M N P Q R S T V W X Y Z

Score:
Karen E(13) = 26
-*BaSim*- A(6) + I(7) = 26
Rottieluver45 O(3) = 6
**Rottieluver** U(1) = 2
Daisy's Mom D(5) = 5