dornc odrnc dronc rdonc ordnc rodnc donrc odnrc dnorc ndorc ondrc nodrc drnoc rdnoc dnroc ndroc rndoc nrdoc orndc rondc onrdc nordc rnodc nrodc dorcn odrcn drocn rdocn ordcn rodcn docrn odcrn dcorn cdorn ocdrn codrn drcon rdcon dcron cdron rcdon crdon orcdn rocdn ocrdn cordn rcodn crodn doncr odncr dnocr ndocr ondcr nodcr docnr odcnr dconr cdonr ocdnr codnr dncor ndcor dcnor cdnor ncdor cndor oncdr nocdr ocndr condr ncodr cnodr drnco rdnco dnrco ndrco rndco nrdco drcno rdcno dcrno cdrno rcdno crdno dncro ndcro dcnro cdnro ncdro cndro rncdo nrcdo rcndo crndo ncrdo cnrdo orncd roncd onrcd norcd rnocd nrocd orcnd rocnd ocrnd cornd rcond crond oncrd nocrd ocnrd conrd ncord cnord rncod nrcod rcnod crnod ncrod cnrod
Note: these 'words' (valid or invalid) are all the permutations of the word dornc. These words are obtained by scrambling the letters in dornc.