derit edrit dreit rdeit erdit redit deirt edirt diert idert eidrt iedrt driet rdiet diret idret ridet irdet eridt reidt eirdt ierdt riedt iredt derti edrti dreti rdeti erdti redti detri edtri dteri tderi etdri tedri drtei rdtei dtrei tdrei rtdei trdei ertdi retdi etrdi terdi rtedi tredi deitr editr dietr idetr eidtr iedtr detir edtir dteir tdeir etdir tedir diter idter dtier tdier itder tider eitdr ietdr etidr teidr itedr tiedr drite rdite dirte idrte ridte irdte drtie rdtie dtrie tdrie rtdie trdie ditre idtre dtire tdire itdre tidre ritde irtde rtide tride itrde tirde eritd reitd eirtd iertd rietd iretd ertid retid etrid terid rteid treid eitrd ietrd etird teird iterd tierd rited irted rtied tried itred tired
Note: these 'words' (valid or invalid) are all the permutations of the word derit. These words are obtained by scrambling the letters in derit.