triens rtiens tirens itrens ritens irtens treins rteins terins etrins retins ertins tierns iterns teirns etirns ietrns eitrns rietns iretns reitns eritns iertns eirtns trines rtines tirnes itrnes ritnes irtnes trnies rtnies tnries ntries rnties nrties tinres itnres tnires ntires intres nitres rintes irntes rnites nrites inrtes nirtes trenis rtenis ternis etrnis retnis ertnis trneis rtneis tnreis ntreis rnteis nrteis tenris etnris tneris nteris entris netris rentis erntis rnetis nretis enrtis nertis tienrs itenrs teinrs etinrs ietnrs eitnrs tiners itners tniers ntiers inters niters tenirs etnirs tneirs nteirs entirs netirs ientrs eintrs inetrs nietrs enitrs neitrs rients irents reints erints iernts eirnts rinets irnets rniets nriets inrets nirets renits ernits rneits nreits enrits nerits ienrts einrts inerts nierts enirts neirts triesn rtiesn tiresn itresn ritesn irtesn treisn rteisn terisn etrisn retisn ertisn tiersn itersn teirsn etirsn ietrsn eitrsn rietsn iretsn reitsn eritsn iertsn eirtsn trisen rtisen tirsen itrsen ritsen irtsen trsien rtsien tsrien strien rstien srtien tisren itsren tsiren stiren istren sitren risten irsten rsiten sriten isrten sirten tresin rtesin tersin etrsin retsin ertsin trsein rtsein tsrein strein rstein srtein tesrin etsrin tserin sterin estrin setrin restin erstin rsetin sretin esrtin sertin tiesrn itesrn teisrn etisrn ietsrn eitsrn tisern itsern tsiern stiern istern sitern tesirn etsirn tseirn steirn estirn setirn iestrn eistrn isetrn sietrn esitrn seitrn riestn irestn reistn eristn ierstn eirstn risetn irsetn rsietn srietn isretn siretn resitn ersitn rseitn sreitn esritn seritn iesrtn eisrtn isertn siertn esirtn seirtn trinse rtinse tirnse itrnse ritnse irtnse trnise rtnise tnrise ntrise rntise nrtise tinrse itnrse tnirse ntirse intrse nitrse rintse irntse rnitse nritse inrtse nirtse trisne rtisne tirsne itrsne ritsne irtsne trsine rtsine tsrine strine rstine srtine tisrne itsrne tsirne stirne istrne sitrne ristne irstne rsitne sritne isrtne sirtne trnsie rtnsie tnrsie ntrsie rntsie nrtsie trsnie rtsnie tsrnie strnie rstnie srtnie tnsrie ntsrie tsnrie stnrie nstrie sntrie rnstie nrstie rsntie srntie nsrtie snrtie tinsre itnsre tnisre ntisre intsre nitsre tisnre itsnre tsinre stinre istnre sitnre tnsire ntsire tsnire stnire nstire sntire instre nistre isntre sintre nsitre snitre rinste irnste rniste nriste inrste nirste risnte irsnte rsinte srinte isrnte sirnte rnsite nrsite rsnite srnite nsrite snrite insrte nisrte isnrte sinrte nsirte snirte trensi rtensi ternsi etrnsi retnsi ertnsi trnesi rtnesi tnresi ntresi rntesi nrtesi tenrsi etnrsi tnersi ntersi entrsi netrsi rentsi erntsi rnetsi nretsi enrtsi nertsi tresni rtesni tersni etrsni retsni ertsni trseni rtseni tsreni streni rsteni srteni tesrni etsrni tserni sterni estrni setrni restni erstni rsetni sretni esrtni sertni trnsei rtnsei tnrsei ntrsei rntsei nrtsei trsnei rtsnei tsrnei strnei rstnei srtnei tnsrei ntsrei tsnrei stnrei nstrei sntrei rnstei nrstei rsntei srntei nsrtei snrtei tensri etnsri tnesri ntesri entsri netsri tesnri etsnri tsenri stenri estnri setnri tnseri ntseri tsneri stneri nsteri snteri enstri nestri esntri sentri nsetri snetri rensti ernsti rnesti nresti enrsti nersti resnti ersnti rsenti srenti esrnti sernti rnseti nrseti rsneti srneti nsreti snreti ensrti nesrti esnrti senrti nserti snerti tiensr itensr teinsr etinsr ietnsr eitnsr tinesr itnesr tniesr ntiesr intesr nitesr tenisr etnisr tneisr nteisr entisr netisr ientsr eintsr inetsr nietsr enitsr neitsr tiesnr itesnr teisnr etisnr ietsnr eitsnr tisenr itsenr tsienr stienr istenr sitenr tesinr etsinr tseinr steinr estinr setinr iestnr eistnr isetnr sietnr esitnr seitnr tinser itnser tniser ntiser intser nitser tisner itsner tsiner stiner istner sitner tnsier ntsier tsnier stnier nstier sntier inster nister isnter sinter nsiter sniter tensir etnsir tnesir ntesir entsir netsir tesnir etsnir tsenir stenir estnir setnir tnseir ntseir tsneir stneir nsteir snteir enstir nestir esntir sentir nsetir snetir ienstr einstr inestr niestr enistr neistr iesntr eisntr isentr sientr esintr seintr insetr nisetr isnetr sinetr nsietr snietr ensitr nesitr esnitr senitr nseitr sneitr rienst irenst reinst erinst iernst eirnst rinest irnest rniest nriest inrest nirest renist ernist rneist nreist enrist nerist ienrst einrst inerst nierst enirst neirst riesnt iresnt reisnt erisnt iersnt eirsnt risent irsent rsient srient isrent sirent resint ersint rseint sreint esrint serint iesrnt eisrnt isernt siernt esirnt seirnt rinset irnset rniset nriset inrset nirset risnet irsnet rsinet srinet isrnet sirnet rnsiet nrsiet rsniet srniet nsriet snriet insret nisret isnret sinret nsiret sniret rensit ernsit rnesit nresit enrsit nersit resnit ersnit rsenit srenit esrnit sernit rnseit nrseit rsneit srneit nsreit snreit ensrit nesrit esnrit senrit nserit snerit iensrt einsrt inesrt niesrt enisrt neisrt iesnrt eisnrt isenrt sienrt esinrt seinrt insert nisert isnert sinert nsiert sniert ensirt nesirt esnirt senirt nseirt sneirt
Note: these 'words' (valid or invalid) are all the permutations of the word triens. These words are obtained by scrambling the letters in triens.