relets erlets rleets lreets elrets lerets reelts erelts reelts erelts eerlts eerlts rleets lreets relets erlets lerets elrets elerts leerts eelrts eelrts leerts elerts reltes erltes rletes lretes elrtes lertes retles ertles rteles treles etrles terles rltees lrtees rtlees trlees ltrees tlrees eltres letres etlres telres lteres tleres reetls eretls reetls eretls eertls eertls retels ertels rteels treels etrels terels retels ertels rteels treels etrels terels eetrls eetrls eterls teerls eterls teerls rletes lretes reltes erltes lertes elrtes rltees lrtees rtlees trlees ltrees tlrees retles ertles rteles treles etrles terles letres eltres lteres tleres etlres telres eletrs leetrs eeltrs eeltrs leetrs eletrs elters leters etlers telers lteers tleers eetlrs eetlrs etelrs teelrs etelrs teelrs leters elters lteers tleers etlers telers relest erlest rleest lreest elrest lerest reelst erelst reelst erelst eerlst eerlst rleest lreest relest erlest lerest elrest elerst leerst eelrst eelrst leerst elerst relset erlset rleset lreset elrset lerset reslet erslet rselet srelet esrlet serlet rlseet lrseet rsleet srleet lsreet slreet elsret lesret eslret selret lseret sleret reeslt ereslt reeslt ereslt eerslt eerslt reselt erselt rseelt sreelt esrelt serelt reselt erselt rseelt sreelt esrelt serelt eesrlt eesrlt eserlt seerlt eserlt seerlt rleset lreset relset erlset lerset elrset rlseet lrseet rsleet srleet lsreet slreet reslet erslet rselet srelet esrlet serlet lesret elsret lseret sleret eslret selret elesrt leesrt eelsrt eelsrt leesrt elesrt elsert lesert eslert selert lseert sleert eeslrt eeslrt eselrt seelrt eselrt seelrt lesert elsert lseert sleert eslert selert reltse erltse rletse lretse elrtse lertse retlse ertlse rtelse trelse etrlse terlse rltese lrtese rtlese trlese ltrese tlrese eltrse letrse etlrse telrse lterse tlerse relste erlste rleste lreste elrste lerste reslte erslte rselte srelte esrlte serlte rlsete lrsete rslete srlete lsrete slrete elsrte lesrte eslrte selrte lserte slerte retsle ertsle rtesle tresle etrsle tersle restle erstle rsetle sretle esrtle sertle rtsele trsele rstele srtele tsrele strele etsrle tesrle estrle setrle tserle sterle rltsee lrtsee rtlsee trlsee ltrsee tlrsee rlstee lrstee rsltee srltee lsrtee slrtee rtslee trslee rstlee srtlee tsrlee strlee ltsree tlsree lstree sltree tslree stlree eltsre letsre etlsre telsre ltesre tlesre elstre lestre esltre seltre lsetre sletre etslre teslre estlre setlre tselre stelre ltsere tlsere lstere sltere tslere stlere reetsl eretsl reetsl eretsl eertsl eertsl retesl ertesl rteesl treesl etresl teresl retesl ertesl rteesl treesl etresl teresl eetrsl eetrsl etersl teersl etersl teersl reestl erestl reestl erestl eerstl eerstl resetl ersetl rseetl sreetl esretl seretl resetl ersetl rseetl sreetl esretl seretl eesrtl eesrtl esertl seertl esertl seertl retsel ertsel rtesel tresel etrsel tersel restel erstel rsetel sretel esrtel sertel rtseel trseel rsteel srteel tsreel streel etsrel tesrel estrel setrel tserel sterel retsel ertsel rtesel tresel etrsel tersel restel erstel rsetel sretel esrtel sertel rtseel trseel rsteel srteel tsreel streel etsrel tesrel estrel setrel tserel sterel eetsrl eetsrl etesrl teesrl etesrl teesrl eestrl eestrl esetrl seetrl esetrl seetrl etserl teserl esterl seterl tseerl steerl etserl teserl esterl seterl tseerl steerl rletse lretse reltse erltse lertse elrtse rltese lrtese rtlese trlese ltrese tlrese retlse ertlse rtelse trelse etrlse terlse letrse eltrse lterse tlerse etlrse telrse rleste lreste relste erlste lerste elrste rlsete lrsete rslete srlete lsrete slrete reslte erslte rselte srelte esrlte serlte lesrte elsrte lserte slerte eslrte selrte rltsee lrtsee rtlsee trlsee ltrsee tlrsee rlstee lrstee rsltee srltee lsrtee slrtee rtslee trslee rstlee srtlee tsrlee strlee ltsree tlsree lstree sltree tslree stlree retsle ertsle rtesle tresle etrsle tersle restle erstle rsetle sretle esrtle sertle rtsele trsele rstele srtele tsrele strele etsrle tesrle estrle setrle tserle sterle letsre eltsre ltesre tlesre etlsre telsre lestre elstre lsetre sletre esltre seltre ltsere tlsere lstere sltere tslere stlere etslre teslre estlre setlre tselre stelre eletsr leetsr eeltsr eeltsr leetsr eletsr eltesr letesr etlesr telesr lteesr tleesr eetlsr eetlsr etelsr teelsr etelsr teelsr letesr eltesr lteesr tleesr etlesr telesr elestr leestr eelstr eelstr leestr elestr elsetr lesetr esletr seletr lseetr sleetr eesltr eesltr eseltr seeltr eseltr seeltr lesetr elsetr lseetr sleetr esletr seletr eltser letser etlser telser lteser tleser elster lester eslter selter lseter sleter etsler tesler estler setler tseler steler ltseer tlseer lsteer slteer tsleer stleer eetslr eetslr eteslr teeslr eteslr teeslr eestlr eestlr esetlr seetlr esetlr seetlr etselr teselr estelr setelr tseelr steelr etselr teselr estelr setelr tseelr steelr letser eltser lteser tleser etlser telser lester elster lseter sleter eslter selter ltseer tlseer lsteer slteer tsleer stleer etsler tesler estler setler tseler steler
Note: these 'words' (valid or invalid) are all the permutations of the word relets. These words are obtained by scrambling the letters in relets.