dayus adyus dyaus ydaus aydus yadus dauys aduys duays udays audys uadys dyuas yduas duyas udyas yudas uydas ayuds yauds auyds uayds yuads uyads daysu adysu dyasu ydasu aydsu yadsu dasyu adsyu dsayu sdayu asdyu sadyu dysau ydsau dsyau sdyau ysdau sydau aysdu yasdu asydu saydu ysadu syadu dausy adusy duasy udasy audsy uadsy dasuy adsuy dsauy sdauy asduy saduy dusay udsay dsuay sduay usday suday ausdy uasdy asudy saudy usady suady dyusa ydusa duysa udysa yudsa uydsa dysua ydsua dsyua sdyua ysdua sydua dusya udsya dsuya sduya usdya sudya yusda uysda ysuda syuda usyda suyda ayusd yausd auysd uaysd yuasd uyasd aysud yasud asyud sayud ysaud syaud ausyd uasyd asuyd sauyd usayd suayd yusad uysad ysuad syuad usyad suyad
Note: these 'words' (valid or invalid) are all the permutations of the word dayus. These words are obtained by scrambling the letters in dayus.