oncus nocus ocnus conus ncous cnous onucs noucs ouncs uoncs nuocs unocs ocuns couns oucns uocns cuons ucons ncuos cnuos nucos uncos cunos ucnos oncsu nocsu ocnsu consu ncosu cnosu onscu noscu osncu soncu nsocu snocu ocsnu cosnu oscnu socnu csonu sconu ncsou cnsou nscou sncou csnou scnou onusc nousc ounsc uonsc nuosc unosc onsuc nosuc osnuc sonuc nsouc snouc ousnc uosnc osunc sounc usonc suonc nusoc unsoc nsuoc snuoc usnoc sunoc ocusn cousn oucsn uocsn cuosn ucosn ocsun cosun oscun socun csoun scoun ouscn uoscn osucn soucn usocn suocn cuson ucson csuon scuon uscon sucon ncuso cnuso nucso uncso cunso ucnso ncsuo cnsuo nscuo sncuo csnuo scnuo nusco unsco nsuco snuco usnco sunco cusno ucsno csuno scuno uscno sucno
Note: these 'words' (valid or invalid) are all the permutations of the word oncus. These words are obtained by scrambling the letters in oncus.