The frist and lsat letetr
Aoccrding to a research at Cagbridme Univresity, it dseon't mttaer in waht oredr the lettres in a wrod are. The olny impartont tnihg is taht the frist and lsat letter be in the rhgit plcae.
The rset can be a ttoal mses and you can sitll raed it wituoht prbolem. Tihs is bscauee the hamun mnid deos not raed eevry letetr by istelf, but the wrod as a wohle.