Apaprnelty, wehn you are raeidng you olny nticoe the frsit and lsat ltetres of any wrod. So if I was to tlel you the bowrn fox jmpus oevr the lzay dog, you wulod udnstrenad eervy wrod I siad. Of crusoe, wdros wtih olny two or trehe ltertes wlil saty the same, and wtih fuor ltreteed wrdos it’s jsut a csae of rveesrnig the two mdilde letrtes.