oriel roiel oirel iorel rioel iroel oreil roeil oeril eoril reoil eroil oierl ioerl oeirl eoirl ieorl eiorl rieol ireol reiol eriol ierol eirol orile roile oirle iorle riole irole orlie rolie olrie lorie rloie lroie oilre iolre olire loire ilore liore riloe irloe rlioe lrioe ilroe liroe oreli roeli oerli eorli reoli eroli orlei rolei olrei lorei rloei lroei oelri eolri oleri loeri elori leori reloi erloi rleoi lreoi elroi leroi oielr ioelr oeilr eoilr ieolr eiolr oiler ioler olier loier iloer lioer oelir eolir oleir loeir eloir leoir ielor eilor ileor lieor elior leior rielo irelo reilo erilo ierlo eirlo rileo irleo rlieo lrieo ilreo lireo relio erlio rleio lreio elrio lerio ielro eilro ilero liero eliro leiro
Note: these 'words' (valid or invalid) are all the permutations of the word oriel. These words are obtained by scrambling the letters in oriel.