One F and a few Ps. (Added an extra H that I missed. Sorry, Felicia's Mom! )

-p-n--- ---- -n th- -c-an. That ---t ----- m-. - --nd-- h-- m-ch d--p-- th- -c-an ----d b- -f that d-dn't happ-n.

-t---n ----ht

Letters to guess:
E G IJKL O QRS UVWXYZ

Karen: 17
Felicia's Mom: 16
sana: 10
cassiesmom: 9