nerdic enrdic nredic rnedic erndic rendic nedric endric nderic dneric ednric denric nrdeic rndeic ndreic dnreic rdneic drneic erdnic rednic edrnic dernic rdenic drenic neridc enridc nreidc rneidc ernidc renidc neirdc enirdc nierdc inerdc einrdc ienrdc nriedc rniedc niredc inredc rinedc irnedc erindc reindc eirndc ierndc riendc irendc nedirc endirc ndeirc dneirc ednirc denirc neidrc enidrc niedrc inedrc eindrc iendrc ndierc dnierc niderc inderc dinerc idnerc edinrc deinrc eidnrc iednrc dienrc idenrc nrdiec rndiec ndriec dnriec rdniec drniec nridec rnidec nirdec inrdec rindec irndec ndirec dnirec nidrec indrec dinrec idnrec rdinec drinec ridnec irdnec dirnec idrnec erdinc redinc edrinc derinc rdeinc dreinc eridnc reidnc eirdnc ierdnc riednc irednc edirnc deirnc eidrnc iedrnc diernc idernc rdienc drienc ridenc irdenc direnc idrenc nerdci enrdci nredci rnedci erndci rendci nedrci endrci nderci dnerci ednrci denrci nrdeci rndeci ndreci dnreci rdneci drneci erdnci rednci edrnci dernci rdenci drenci nercdi enrcdi nrecdi rnecdi erncdi rencdi necrdi encrdi ncerdi cnerdi ecnrdi cenrdi nrcedi rncedi ncredi cnredi rcnedi crnedi ercndi recndi ecrndi cerndi rcendi crendi nedcri endcri ndecri dnecri edncri dencri necdri encdri ncedri cnedri ecndri cendri ndceri dnceri ncderi cnderi dcneri cdneri edcnri decnri ecdnri cednri dcenri cdenri nrdcei rndcei ndrcei dnrcei rdncei drncei nrcdei rncdei ncrdei cnrdei rcndei crndei ndcrei dncrei ncdrei cndrei dcnrei cdnrei rdcnei drcnei rcdnei crdnei dcrnei cdrnei erdcni redcni edrcni dercni rdecni drecni ercdni recdni ecrdni cerdni rcedni credni edcrni decrni ecdrni cedrni dcerni cderni rdceni drceni rcdeni crdeni dcreni cdreni nericd enricd nreicd rneicd ernicd renicd neircd enircd niercd inercd einrcd ienrcd nriecd rniecd nirecd inrecd rinecd irnecd erincd reincd eirncd ierncd riencd irencd nercid enrcid nrecid rnecid erncid rencid necrid encrid ncerid cnerid ecnrid cenrid nrceid rnceid ncreid cnreid rcneid crneid ercnid recnid ecrnid cernid rcenid crenid neicrd enicrd niecrd inecrd eincrd iencrd necird encird nceird cneird ecnird cenird nicerd incerd ncierd cnierd icnerd cinerd eicnrd iecnrd ecinrd ceinrd icenrd cienrd nriced rniced nirced inrced rinced irnced nrcied rncied ncried cnried rcnied crnied nicred incred ncired cnired icnred cinred ricned ircned rcined crined icrned cirned ericnd reicnd eircnd iercnd riecnd irecnd ercind recind ecrind cerind rceind creind eicrnd iecrnd ecirnd ceirnd icernd ciernd ricend ircend rciend criend icrend cirend nedicr endicr ndeicr dneicr ednicr denicr neidcr enidcr niedcr inedcr eindcr iendcr ndiecr dniecr nidecr indecr dinecr idnecr edincr deincr eidncr iedncr diencr idencr nedcir endcir ndecir dnecir edncir dencir necdir encdir ncedir cnedir ecndir cendir ndceir dnceir ncdeir cndeir dcneir cdneir edcnir decnir ecdnir cednir dcenir cdenir neicdr enicdr niecdr inecdr eincdr iencdr necidr encidr nceidr cneidr ecnidr cenidr nicedr incedr nciedr cniedr icnedr cinedr eicndr iecndr ecindr ceindr icendr ciendr ndicer dnicer nidcer indcer dincer idncer ndcier dncier ncdier cndier dcnier cdnier nicder incder ncider cnider icnder cinder dicner idcner dciner cdiner icdner cidner edicnr deicnr eidcnr iedcnr diecnr idecnr edcinr decinr ecdinr cedinr dceinr cdeinr eicdnr iecdnr ecidnr ceidnr icednr ciednr dicenr idcenr dcienr cdienr icdenr cidenr nrdice rndice ndrice dnrice rdnice drnice nridce rnidce nirdce inrdce rindce irndce ndirce dnirce nidrce indrce dinrce idnrce rdince drince ridnce irdnce dirnce idrnce nrdcie rndcie ndrcie dnrcie rdncie drncie nrcdie rncdie ncrdie cnrdie rcndie crndie ndcrie dncrie ncdrie cndrie dcnrie cdnrie rdcnie drcnie rcdnie crdnie dcrnie cdrnie nricde rnicde nircde inrcde rincde irncde nrcide rncide ncride cnride rcnide crnide nicrde incrde ncirde cnirde icnrde cinrde ricnde ircnde rcinde crinde icrnde cirnde ndicre dnicre nidcre indcre dincre idncre ndcire dncire ncdire cndire dcnire cdnire nicdre incdre ncidre cnidre icndre cindre dicnre idcnre dcinre cdinre icdnre cidnre rdicne dricne ridcne irdcne dircne idrcne rdcine drcine rcdine crdine dcrine cdrine ricdne ircdne rcidne cridne icrdne cirdne dicrne idcrne dcirne cdirne icdrne cidrne erdicn redicn edricn dericn rdeicn dreicn eridcn reidcn eirdcn ierdcn riedcn iredcn edircn deircn eidrcn iedrcn diercn idercn rdiecn driecn ridecn irdecn direcn idrecn erdcin redcin edrcin dercin rdecin drecin ercdin recdin ecrdin cerdin rcedin credin edcrin decrin ecdrin cedrin dcerin cderin rdcein drcein rcdein crdein dcrein cdrein ericdn reicdn eircdn iercdn riecdn irecdn ercidn recidn ecridn ceridn rceidn creidn eicrdn iecrdn ecirdn ceirdn icerdn cierdn ricedn ircedn rciedn criedn icredn ciredn edicrn deicrn eidcrn iedcrn diecrn idecrn edcirn decirn ecdirn cedirn dceirn cdeirn eicdrn iecdrn ecidrn ceidrn icedrn ciedrn dicern idcern dciern cdiern icdern cidern rdicen dricen ridcen irdcen dircen idrcen rdcien drcien rcdien crdien dcrien cdrien ricden ircden rciden criden icrden cirden dicren idcren dciren cdiren icdren cidren
Note: these 'words' (valid or invalid) are all the permutations of the word nerdic. These words are obtained by scrambling the letters in nerdic.