Except for U, X, and W. Those are the ones that don't do it.

(Alex had a bad dream last night.)
Claire (to Alex): I never have dreams.  You keep having them.  You just need to think about stuff!


Claire: Daddy, you want to see something in the back of me?  You want to see something in the back of me?
Daddy: Okay.
(Claire jumps,turning 180 degrees in the air, to show Daddy her back.)
Daddy: Whoa!  A pocket!
Claire: A back pocket!


Alex: Daddy, some letters start -- the sound that they make, they start with it.  Except for U, X, and W.  Those are the ones that don't do it.
Daddy: Good point!
Alex: C.  And C.  It starts with S.
Daddy: Yeah!