Aoccdrnig to a 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 toatl 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. Obviously. You don't know how to spell Mississippi? Don't despair. Start with an M, end with an I and put lots of S's (4 will do), some I's (3 are enough tough) and a pair of P's in-between. Children would love this game.