dulia udlia dluia lduia uldia ludia duila udila diula idula uidla iudla dliua ldiua dilua idlua lidua ildua ulida luida uilda iulda liuda iluda dulai udlai dluai lduai uldai ludai duali udali dauli aduli uadli audli dlaui ldaui dalui adlui ladui aldui uladi luadi ualdi auldi laudi aludi duial udial diual idual uidal iudal duail udail dauil aduil uadil audil diaul idaul daiul adiul iadul aidul uiadl iuadl uaidl auidl iaudl aiudl dliau ldiau dilau idlau lidau ildau dlaiu ldaiu daliu adliu ladiu aldiu dialu idalu dailu adilu iadlu aidlu liadu iladu laidu alidu ialdu aildu uliad luiad uilad iulad liuad iluad ulaid luaid ualid aulid lauid aluid uiald iuald uaild auild iauld aiuld liaud ilaud laiud aliud ialud ailud
Note: these 'words' (valid or invalid) are all the permutations of the word dulia. These words are obtained by scrambling the letters in dulia.