Okay, there are 7 T's, 3 S's, and 2 K's.

--- is a --- a ---a-'s -oo- a-- -ait---- -a-?
I -o-'t k-o- --t I -o k-o- it is a -o-e t-at -i-- -ot -ai-.

*BaSim* - A(9) = 18
Fuzzy317 - O(8) T(7) K(2) = 25
Rottie - E(1) = 2
dogncatluvr - I(8) = 16
Sudilar S(3) = 3

Letters left to choose from
B C D F G H J L M N P Q U V W X Y Z