rifle irfle rfile frile ifrle firle rilfe irlfe rlife lrife ilrfe lirfe rflie frlie rlfie lrfie flrie lfrie iflre filre ilfre lifre flire lfire rifel irfel rfiel friel ifrel firel riefl irefl reifl erifl ierfl eirfl rfeil freil refil erfil feril efril iferl fierl iefrl eifrl feirl efirl rilef irlef rlief lrief ilref liref rielf irelf reilf erilf ierlf eirlf rleif lreif relif erlif lerif elrif ilerf lierf ielrf eilrf leirf elirf rflei frlei rlfei lrfei flrei lfrei rfeli freli refli erfli ferli efrli rlefi lrefi relfi erlfi lerfi elrfi fleri lferi felri eflri lefri elfri ifler filer ilfer lifer flier lfier ifelr fielr ieflr eiflr feilr efilr ilefr liefr ielfr eilfr leifr elifr fleir lfeir felir eflir lefir elfir
Note: these 'words' (valid or invalid) are all the permutations of the word rifle. These words are obtained by scrambling the letters in rifle.