urine ruine uirne iurne riune irune urnie runie unrie nurie rnuie nruie uinre iunre unire nuire inure niure rinue irnue rniue nriue inrue nirue urien ruien uiren iuren riuen iruen urein ruein uerin eurin reuin eruin uiern iuern ueirn euirn ieurn eiurn rieun ireun reiun eriun ierun eirun urnei runei unrei nurei rnuei nruei ureni rueni uerni eurni reuni eruni uneri nueri uenri eunri neuri enuri rneui nreui renui ernui nerui enrui uiner iuner unier nuier inuer niuer uienr iuenr ueinr euinr ieunr eiunr uneir nueir uenir eunir neuir enuir ineur nieur ienur einur neiur eniur rineu irneu rnieu nrieu inreu nireu rienu irenu reinu erinu iernu eirnu rneiu nreiu reniu erniu neriu enriu ineru nieru ienru einru neiru eniru
Note: these 'words' (valid or invalid) are all the permutations of the word urine. These words are obtained by scrambling the letters in urine.