There are 7 "I"s

-i--o-ia- -o-ie-- -e-e--ed --e -o-io- --a- -e-- -e-e -a-a--e o- -ee-i-- o- e---e--i-- e-o-io--.

Score:
Daisy's Mom (A & I) - 22 points
Logan (D) - 1 point
Karen (E) - 28 points
karlicat (O) - 16 points

The letters you have left to choose from:

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