I'm not even sure where to begin. I want to iterate every letter of 
stringy through ex_array. I'd first iterate pairs, 'st', 'ri', 'ngy'. 
Then another combination 'st' 'rin' 'gy'. Then 'str' 'in' 'gy'. And on 
and on, until finally testing 'stringy' itself, every sequential 
possible pair, three, four, etc, of chars in stringy. (assuming stringy 
or whatever could be 100+ chars long). As well, I'd like to keep a 
running total of the amount of results--with no repeats!

There must be a simple way to do it?

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