rowel orwel rwoel wroel owrel worel roewl orewl reowl erowl oerwl eorwl rweol wreol rewol erwol werol ewrol owerl woerl oewrl eowrl weorl eworl rowle orwle rwole wrole owrle worle rolwe orlwe rlowe lrowe olrwe lorwe rwloe wrloe rlwoe lrwoe wlroe lwroe owlre wolre olwre lowre wlore lwore roelw orelw reolw erolw oerlw eorlw rolew orlew rloew lroew olrew lorew relow erlow rleow lreow elrow lerow oelrw eolrw olerw loerw elorw leorw rwelo wrelo rewlo erwlo werlo ewrlo rwleo wrleo rlweo lrweo wlreo lwreo relwo erlwo rlewo lrewo elrwo lerwo welro ewlro wlero lwero elwro lewro owelr woelr oewlr eowlr weolr ewolr owler woler olwer lower wloer lwoer oelwr eolwr olewr loewr elowr leowr welor ewlor wleor lweor elwor lewor
Note: these 'words' (valid or invalid) are all the permutations of the word rowel. These words are obtained by scrambling the letters in rowel.