raile arile riale irale airle iarle ralie arlie rlaie lraie alrie larie rilae irlae rliae lriae ilrae lirae ailre ialre alire laire ilare liare raiel ariel riael irael airel iarel raeil areil reail erail aeril earil rieal ireal reial erial ieral eiral aierl iaerl aeirl eairl iearl eiarl ralei arlei rlaei lraei alrei larei raeli areli reali erali aerli earli rleai lreai relai erlai lerai elrai aleri laeri aelri ealri leari elari rilea irlea rliea lriea ilrea lirea riela irela reila erila ierla eirla rleia lreia relia erlia leria elria ilera liera ielra eilra leira elira ailer ialer alier laier ilaer liaer aielr iaelr aeilr eailr iealr eialr aleir laeir aelir ealir leair elair ilear liear ielar eilar leiar eliar
Note: these 'words' (valid or invalid) are all the permutations of the word raile. These words are obtained by scrambling the letters in raile.