What does the Spelling Bee do with the words he says?

In the
fantasy novel , by, the main character is a boy named Milo who believes
that life is boring and learning is pointless. One day, a tollbooth appears in his room. Having
nothing better to do, Milo hops into the car that comes with the tollbooth and travels through
the tollbooth to the Lands Beyond, where he meets a variety of humorous characters...