nards anrds nrads rnads arnds rands nadrs andrs ndars dnars adnrs danrs nrdas rndas ndras dnras rdnas drnas ardns radns adrns darns rdans drans narsd anrsd nrasd rnasd arnsd ransd nasrd ansrd nsard snard asnrd sanrd nrsad rnsad nsrad snrad rsnad srnad arsnd rasnd asrnd sarnd rsand srand nadsr andsr ndasr dnasr adnsr dansr nasdr ansdr nsadr snadr asndr sandr ndsar dnsar nsdar sndar dsnar sdnar adsnr dasnr asdnr sadnr dsanr sdanr nrdsa rndsa ndrsa dnrsa rdnsa drnsa nrsda rnsda nsrda snrda rsnda srnda ndsra dnsra nsdra sndra dsnra sdnra rdsna drsna rsdna srdna dsrna sdrna ardsn radsn adrsn darsn rdasn drasn arsdn rasdn asrdn sardn rsadn sradn adsrn dasrn asdrn sadrn dsarn sdarn rdsan drsan rsdan srdan dsran sdran
Note: these 'words' (valid or invalid) are all the permutations of the word nards. These words are obtained by scrambling the letters in nards.