Accondirg to a rcseareh at Cambgidre Univetsiry, it dosen't matetr in waht oedrr the letters in a wrod are. The olny importnat tihng is taht the fsrit and lsat letter be in the rgiht palce.
The rset can be a tatol mses and you can stlil raed it witohut porblem. Tihs is becsuae the hamun mnid deos not raed evrey letter by itslef, but the wrod as a whloe.