A "phrase" is made up of the first seven letters of the alphabet so that each letter appears exactly once. The "phrase" must contain al least two "words", wich must contain at least two letters. For instance, ABC DE FG and AB CDE FG are distinct "phrases". How many distinct "phrases' result given the conditions above?

(A) 5040
(B) 10,080
(C) 7!(5)
(D) 7!(6)
(E) 7!(7)

The OA is E.

I need help to solve this PS question. Please, can any expert explain it for me? Thanks.