H for Asiel and A for Catty1

"A-- --r -rea-- -an ---e tr-e, i- we ha-e the ---ra-e t- --r--e the-."
Wa-t -i-ne-

Karen: T x 5 = 5 plus W x 2 = 2 = 7
Felicia's Mom: N x 2 = 2 plus I x 2 = 2 x 2 = 4 = 6
Catty 1: E x 10 = 10 x 2 = 20 plus R x 5 = 5 = 25 plus A x 6 = 6 x 2 = 12 = 37
Asiel: H x 3 = 3

Remaining letters: B C D F G J K L M O P Q S U V X Y Z

You're getting closer with every guess!