DS2.9 loves to spell at the fridge. He mostly likes to figure out how to spell long words (or get help to do so), but he does have one three word name he likes to spell that he does at least daily just for the heck of it, as if he enjoys the particular sequence of it without regard for the meaning. Maybe because its three words all about the same length, makes kind of a set, I don't know.
I know of a few other 3 year olds that also like to spell and do so with varying degrees of success. One likes to just put the letters of the alphabet in order in a long row across the fridge -- which seems kind of like your DS, wanting to put the letters in a particular order that they have seen elsewhere, without necessarily caring what the sequence means.
I don't think (in my clearly non-expert opinion) that any of that is hyperlexia or abnormal, perhaps it's similar to the phase during early language acquisition of going around saying a phrase because it sounds good rather than as a communicative tool.
Polly
