Aoccdrnig to rscheearch at Cmabrigde Uinervtisy, it deosn't mttaer in waht oredr the ltteers in a wrod are, the olny iprmoetnt tihng is taht the frist and lsat ltteer be at the rghit pclae. The rset can be a total mses and you can sitll raed it wouthit porbelm. Tihs is bcuseae the huamn mnid deos not raed ervey lteter by istlef, but the wrod as a wlohe.

Trhee is, hvoewer, a pebrolm wtih rnonimaisdg the mddile lrtetes of ecah wrod; you ibvarlaniy docseivr taht, ahtgluoh sorht wrdos are rltveaiely smiple to prase, an ieertnnitsg and iiomftarvne Ueesnt alitcre will oeftn cniaton much loengr words that are iaomnpalbcry mroe diilfufct to dnagesnitle when you are perensted wtih cerrcot oeirndrg olny for the first and last letrets of ecah wrod. As you mgiht be albe to dmnteiere from ranedig this atclire, the aonmut of effort reriequd to tnalatrse a wrod iranseces ditraalcamly wtih wrod ltngeh. Any wrod up to about fvie ltrtees is slmpie eogunh, but the dltcufifiy isnrceeas srlpahy wtih the ceimpoxtly of the ipnut. Three is no spimle sbtsuuttie for cearful, cercrot, wtlirtew-len Esglinh. Tehre is no slveir beullt.