you can have 9

--- -s -ea--- ---- a--t-e- a-t-st.
-e ---e-te- t-e ---a--e, t-e e-e--a-t a-- t-e –at.
-e –as -- -ea- st--e.
-e --st –ee-s -- t----- -t-e- t----s.
~ -ab-- ---ass-

Scores:
Killearn Kitties: e (18x2) = 36 points
AmberLee: a (11x2) = 22 points
Karen: t (14) = 14 points
lvpets2002: b (1) = 1 point
Moesha: s (9) = 9 points

Letters to guess:
CD FGHIJKLMNOPQR UVWXYZ