rinsta irnsta rnista nrista inrsta nirsta risnta irsnta rsinta srinta isrnta sirnta rnsita nrsita rsnita srnita nsrita snrita insrta nisrta isnrta sinrta nsirta snirta rintsa irntsa rnitsa nritsa inrtsa nirtsa ritnsa irtnsa rtinsa trinsa itrnsa tirnsa rntisa nrtisa rtnisa trnisa ntrisa tnrisa intrsa nitrsa itnrsa tinrsa ntirsa tnirsa ristna irstna rsitna sritna isrtna sirtna ritsna irtsna rtisna trisna itrsna tirsna rstina srtina rtsina trsina strina tsrina istrna sitrna itsrna tisrna stirna tsirna rnstia nrstia rsntia srntia nsrtia snrtia rntsia nrtsia rtnsia trnsia ntrsia tnrsia rstnia srtnia rtsnia trsnia strnia tsrnia nstria sntria ntsria tnsria stnria tsnria instra nistra isntra sintra nsitra snitra intsra nitsra itnsra tinsra ntisra tnisra istnra sitnra itsnra tisnra stinra tsinra nstira sntira ntsira tnsira stnira tsnira rinsat irnsat rnisat nrisat inrsat nirsat risnat irsnat rsinat srinat isrnat sirnat rnsiat nrsiat rsniat srniat nsriat snriat insrat nisrat isnrat sinrat nsirat snirat rinast irnast rniast nriast inrast nirast rianst iranst rainst arinst iarnst airnst rnaist nraist ranist arnist narist anrist inarst niarst ianrst ainrst nairst anirst risant irsant rsiant sriant isrant sirant riasnt irasnt raisnt arisnt iarsnt airsnt rsaint sraint rasint arsint sarint asrint isarnt siarnt iasrnt aisrnt sairnt asirnt rnsait nrsait rsnait srnait nsrait snrait rnasit nrasit ransit arnsit narsit anrsit rsanit sranit rasnit arsnit sarnit asrnit nsarit snarit nasrit ansrit sanrit asnrit insart nisart isnart sinart nsiart sniart inasrt niasrt iansrt ainsrt naisrt anisrt isanrt sianrt iasnrt aisnrt sainrt asinrt nsairt snairt nasirt ansirt sanirt asnirt rintas irntas rnitas nritas inrtas nirtas ritnas irtnas rtinas trinas itrnas tirnas rntias nrtias rtnias trnias ntrias tnrias intras nitras itnras tinras ntiras tniras rinats irnats rniats nriats inrats nirats riants irants raints arints iarnts airnts rnaits nraits ranits arnits narits anrits inarts niarts ianrts ainrts nairts anirts ritans irtans rtians trians itrans tirans riatns iratns raitns aritns iartns airtns rtains trains ratins artins tarins atrins itarns tiarns iatrns aitrns tairns atirns rntais nrtais rtnais trnais ntrais tnrais rnatis nratis rantis arntis nartis anrtis rtanis tranis ratnis artnis tarnis atrnis ntaris tnaris natris antris tanris atnris intars nitars itnars tinars ntiars tniars inatrs niatrs iantrs aintrs naitrs anitrs itanrs tianrs iatnrs aitnrs tainrs atinrs ntairs tnairs natirs antirs tanirs atnirs ristan irstan rsitan sritan isrtan sirtan ritsan irtsan rtisan trisan itrsan tirsan rstian srtian rtsian trsian strian tsrian istran sitran itsran tisran stiran tsiran risatn irsatn rsiatn sriatn isratn siratn riastn irastn raistn aristn iarstn airstn rsaitn sraitn rasitn arsitn saritn asritn isartn siartn iasrtn aisrtn sairtn asirtn ritasn irtasn rtiasn triasn itrasn tirasn riatsn iratsn raitsn aritsn iartsn airtsn rtaisn traisn ratisn artisn tarisn atrisn itarsn tiarsn iatrsn aitrsn tairsn atirsn rstain srtain rtsain trsain strain tsrain rsatin sratin rastin arstin sartin asrtin rtasin trasin ratsin artsin tarsin atrsin starin tsarin satrin astrin tasrin atsrin istarn sitarn itsarn tisarn stiarn tsiarn isatrn siatrn iastrn aistrn saitrn asitrn itasrn tiasrn iatsrn aitsrn taisrn atisrn stairn tsairn satirn astirn tasirn atsirn rnstai nrstai rsntai srntai nsrtai snrtai rntsai nrtsai rtnsai trnsai ntrsai tnrsai rstnai srtnai rtsnai trsnai strnai tsrnai nstrai sntrai ntsrai tnsrai stnrai tsnrai rnsati nrsati rsnati srnati nsrati snrati rnasti nrasti ransti arnsti narsti anrsti rsanti sranti rasnti arsnti sarnti asrnti nsarti snarti nasrti ansrti sanrti asnrti rntasi nrtasi rtnasi trnasi ntrasi tnrasi rnatsi nratsi rantsi arntsi nartsi anrtsi rtansi transi ratnsi artnsi tarnsi atrnsi ntarsi tnarsi natrsi antrsi tanrsi atnrsi rstani srtani rtsani trsani strani tsrani rsatni sratni rastni arstni sartni asrtni rtasni trasni ratsni artsni tarsni atrsni starni tsarni satrni astrni tasrni atsrni nstari sntari ntsari tnsari stnari tsnari nsatri snatri nastri anstri santri asntri ntasri tnasri natsri antsri tansri atnsri stanri tsanri satnri astnri tasnri atsnri instar nistar isntar sintar nsitar snitar intsar nitsar itnsar tinsar ntisar tnisar istnar sitnar itsnar tisnar stinar tsinar nstiar sntiar ntsiar tnsiar stniar tsniar insatr nisatr isnatr sinatr nsiatr sniatr inastr niastr ianstr ainstr naistr anistr isantr siantr iasntr aisntr saintr asintr nsaitr snaitr nasitr ansitr sanitr asnitr intasr nitasr itnasr tinasr ntiasr tniasr inatsr niatsr iantsr aintsr naitsr anitsr itansr tiansr iatnsr aitnsr tainsr atinsr ntaisr tnaisr natisr antisr tanisr atnisr istanr sitanr itsanr tisanr stianr tsianr isatnr siatnr iastnr aistnr saitnr asitnr itasnr tiasnr iatsnr aitsnr taisnr atisnr stainr tsainr satinr astinr tasinr atsinr nstair sntair ntsair tnsair stnair tsnair nsatir snatir nastir anstir santir asntir ntasir tnasir natsir antsir tansir atnsir stanir tsanir satnir astnir tasnir atsnir
Note: these 'words' (valid or invalid) are all the permutations of the word rinsta. These words are obtained by scrambling the letters in rinsta.