rutin urtin rtuin truin utrin turin ruitn uritn riutn irutn uirtn iurtn rtiun triun ritun irtun tirun itrun utirn tuirn uitrn iutrn tiurn iturn rutni urtni rtuni truni utrni turni runti urnti rnuti nruti unrti nurti rtnui trnui rntui nrtui tnrui ntrui utnri tunri untri nutri tnuri nturi ruint urint riunt irunt uirnt iurnt runit urnit rnuit nruit unrit nurit rinut irnut rniut nriut inrut nirut uinrt iunrt unirt nuirt inurt niurt rtinu trinu ritnu irtnu tirnu itrnu rtniu trniu rntiu nrtiu tnriu ntriu rintu irntu rnitu nritu inrtu nirtu tinru itnru tniru ntiru intru nitru utinr tuinr uitnr iutnr tiunr itunr utnir tunir untir nutir tnuir ntuir uintr iuntr unitr nuitr inutr niutr tinur itnur tniur ntiur intur nitur
Note: these 'words' (valid or invalid) are all the permutations of the word rutin. These words are obtained by scrambling the letters in rutin.