Ok, there are 5 E's, 6 I's , 8 A's , 6 S's , 4 R's , 11 O's , and 1 M .

O--si-e o- a -o-, a -oo- is -ro-a--- ma-'s -es- -rie--,
a-- i-si-e o- a -o-, i-'s -oo -ar- -o rea-.

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

Score:
Violet - E(5) = 10
Karen - I(6) = 12
ShepherdLover - A(8) = 16
sammi - S(6) = 6
DachshundLover - R(4) = 4
Rottieluver45 - O(11) = 22
Rottie - M(1) = 1