nadirs andirs ndairs dnairs adnirs danirs naidrs anidrs niadrs inadrs aindrs iandrs ndiars dniars nidars indars dinars idnars adinrs dainrs aidnrs iadnrs dianrs idanrs nadris andris ndaris dnaris adnris danris nardis anrdis nradis rnadis arndis randis ndrais dnrais nrdais rndais drnais rdnais adrnis darnis ardnis radnis dranis rdanis nairds anirds niards inards ainrds ianrds narids anrids nraids rnaids arnids ranids nirads inrads nriads rniads irnads rinads airnds iarnds arinds rainds irands riands ndiras dniras nidras indras dinras idnras ndrias dnrias nrdias rndias drnias rdnias nirdas inrdas nridas rnidas irndas rindas dirnas idrnas drinas rdinas irdnas ridnas adirns dairns aidrns iadrns diarns idarns adrins darins ardins radins drains rdains airdns iardns aridns raidns iradns riadns dirans idrans drians rdians irdans ridans nadisr andisr ndaisr dnaisr adnisr danisr naidsr anidsr niadsr inadsr aindsr iandsr ndiasr dniasr nidasr indasr dinasr idnasr adinsr dainsr aidnsr iadnsr diansr idansr nadsir andsir ndasir dnasir adnsir dansir nasdir ansdir nsadir snadir asndir sandir ndsair dnsair nsdair sndair dsnair sdnair adsnir dasnir asdnir sadnir dsanir sdanir naisdr anisdr niasdr inasdr ainsdr iansdr nasidr ansidr nsaidr snaidr asnidr sanidr nisadr insadr nsiadr sniadr isnadr sinadr aisndr iasndr asindr saindr isandr siandr ndisar dnisar nidsar indsar dinsar idnsar ndsiar dnsiar nsdiar sndiar dsniar sdniar nisdar insdar nsidar snidar isndar sindar disnar idsnar dsinar sdinar isdnar sidnar adisnr daisnr aidsnr iadsnr diasnr idasnr adsinr dasinr asdinr sadinr dsainr sdainr aisdnr iasdnr asidnr saidnr isadnr siadnr disanr idsanr dsianr sdianr isdanr sidanr nadrsi andrsi ndarsi dnarsi adnrsi danrsi nardsi anrdsi nradsi rnadsi arndsi randsi ndrasi dnrasi nrdasi rndasi drnasi rdnasi adrnsi darnsi ardnsi radnsi dransi rdansi nadsri andsri ndasri dnasri adnsri dansri nasdri ansdri nsadri snadri asndri sandri ndsari dnsari nsdari sndari dsnari sdnari adsnri dasnri asdnri sadnri dsanri sdanri narsdi anrsdi nrasdi rnasdi arnsdi ransdi nasrdi ansrdi nsardi snardi asnrdi sanrdi nrsadi rnsadi nsradi snradi rsnadi srnadi arsndi rasndi asrndi sarndi rsandi srandi ndrsai dnrsai nrdsai rndsai drnsai rdnsai ndsrai dnsrai nsdrai sndrai dsnrai sdnrai nrsdai rnsdai nsrdai snrdai rsndai srndai drsnai rdsnai dsrnai sdrnai rsdnai srdnai adrsni darsni ardsni radsni drasni rdasni adsrni dasrni asdrni sadrni dsarni sdarni arsdni rasdni asrdni sardni rsadni sradni drsani rdsani dsrani sdrani rsdani srdani nairsd anirsd niarsd inarsd ainrsd ianrsd narisd anrisd nraisd rnaisd arnisd ranisd nirasd inrasd nriasd rniasd irnasd rinasd airnsd iarnsd arinsd rainsd iransd riansd naisrd anisrd niasrd inasrd ainsrd iansrd nasird ansird nsaird snaird asnird sanird nisard insard nsiard sniard isnard sinard aisnrd iasnrd asinrd sainrd isanrd sianrd narsid anrsid nrasid rnasid arnsid ransid nasrid ansrid nsarid snarid asnrid sanrid nrsaid rnsaid nsraid snraid rsnaid srnaid arsnid rasnid asrnid sarnid rsanid sranid nirsad inrsad nrisad rnisad irnsad rinsad nisrad insrad nsirad snirad isnrad sinrad nrsiad rnsiad nsriad snriad rsniad srniad irsnad risnad isrnad sirnad rsinad srinad airsnd iarsnd arisnd raisnd irasnd riasnd aisrnd iasrnd asirnd sairnd isarnd siarnd arsind rasind asrind sarind rsaind sraind irsand risand isrand sirand rsiand sriand ndirsa dnirsa nidrsa indrsa dinrsa idnrsa ndrisa dnrisa nrdisa rndisa drnisa rdnisa nirdsa inrdsa nridsa rnidsa irndsa rindsa dirnsa idrnsa drinsa rdinsa irdnsa ridnsa ndisra dnisra nidsra indsra dinsra idnsra ndsira dnsira nsdira sndira dsnira sdnira nisdra insdra nsidra snidra isndra sindra disnra idsnra dsinra sdinra isdnra sidnra ndrsia dnrsia nrdsia rndsia drnsia rdnsia ndsria dnsria nsdria sndria dsnria sdnria nrsdia rnsdia nsrdia snrdia rsndia srndia drsnia rdsnia dsrnia sdrnia rsdnia srdnia nirsda inrsda nrisda rnisda irnsda rinsda nisrda insrda nsirda snirda isnrda sinrda nrsida rnsida nsrida snrida rsnida srnida irsnda risnda isrnda sirnda rsinda srinda dirsna idrsna drisna rdisna irdsna ridsna disrna idsrna dsirna sdirna isdrna sidrna drsina rdsina dsrina sdrina rsdina srdina irsdna risdna isrdna sirdna rsidna sridna adirsn dairsn aidrsn iadrsn diarsn idarsn adrisn darisn ardisn radisn draisn rdaisn airdsn iardsn aridsn raidsn iradsn riadsn dirasn idrasn driasn rdiasn irdasn ridasn adisrn daisrn aidsrn iadsrn diasrn idasrn adsirn dasirn asdirn sadirn dsairn sdairn aisdrn iasdrn asidrn saidrn isadrn siadrn disarn idsarn dsiarn sdiarn isdarn sidarn adrsin darsin ardsin radsin drasin rdasin adsrin dasrin asdrin sadrin dsarin sdarin arsdin rasdin asrdin sardin rsadin sradin drsain rdsain dsrain sdrain rsdain srdain airsdn iarsdn arisdn raisdn irasdn riasdn aisrdn iasrdn asirdn sairdn isardn siardn arsidn rasidn asridn saridn rsaidn sraidn irsadn risadn isradn siradn rsiadn sriadn dirsan idrsan drisan rdisan irdsan ridsan disran idsran dsiran sdiran isdran sidran drsian rdsian dsrian sdrian rsdian srdian irsdan risdan isrdan sirdan rsidan sridan
Note: these 'words' (valid or invalid) are all the permutations of the word nadirs. These words are obtained by scrambling the letters in nadirs.