Originally Posted by master of none
He has a circuitous method of spelling by memorizing the number of letters and some of the key letters and their position relative to the other letters.

Oh my. You just described my DD. Maybe not for spelling - we haven't talked about that - but for her whole life: where things in her room belong, where we are in multi-day schedules, directions to get somewhere. Pretty much any statement involving 'know' and 'where'.