deltas edltas dletas ldetas eldtas ledtas detlas edtlas dtelas tdelas etdlas tedlas dlteas ldteas dtleas tdleas ltdeas tldeas eltdas letdas etldas teldas ltedas tledas delats edlats dleats ldeats eldats ledats dealts edalts daelts adelts eadlts aedlts dlaets ldaets dalets adlets ladets aldets eladts leadts ealdts aeldts laedts aledts detals edtals dteals tdeals etdals tedals deatls edatls daetls adetls eadtls aedtls dtaels tdaels datels adtels tadels atdels etadls teadls eatdls aetdls taedls atedls dltaes ldtaes dtlaes tdlaes ltdaes tldaes dlates ldates daltes adltes ladtes aldtes dtales tdales datles adtles tadles atdles ltades tlades latdes altdes taldes atldes eltads letads etlads telads lteads tleads elatds leatds ealtds aeltds laetds aletds etalds tealds eatlds aetlds taelds atelds ltaeds tlaeds lateds alteds taleds atleds deltsa edltsa dletsa ldetsa eldtsa ledtsa detlsa edtlsa dtelsa tdelsa etdlsa tedlsa dltesa ldtesa dtlesa tdlesa ltdesa tldesa eltdsa letdsa etldsa teldsa ltedsa tledsa delsta edlsta dlesta ldesta eldsta ledsta deslta edslta dselta sdelta esdlta sedlta dlseta ldseta dsleta sdleta lsdeta sldeta elsdta lesdta esldta seldta lsedta sledta detsla edtsla dtesla tdesla etdsla tedsla destla edstla dsetla sdetla esdtla sedtla dtsela tdsela dstela sdtela tsdela stdela etsdla tesdla estdla setdla tsedla stedla dltsea ldtsea dtlsea tdlsea ltdsea tldsea dlstea ldstea dsltea sdltea lsdtea sldtea dtslea tdslea dstlea sdtlea tsdlea stdlea ltsdea tlsdea lstdea sltdea tsldea stldea eltsda letsda etlsda telsda ltesda tlesda elstda lestda esltda seltda lsetda sletda etslda teslda estlda setlda tselda stelda ltseda tlseda lsteda slteda tsleda stleda delast edlast dleast ldeast eldast ledast dealst edalst daelst adelst eadlst aedlst dlaest ldaest dalest adlest ladest aldest eladst leadst ealdst aeldst laedst aledst delsat edlsat dlesat ldesat eldsat ledsat deslat edslat dselat sdelat esdlat sedlat dlseat ldseat dsleat sdleat lsdeat sldeat elsdat lesdat esldat seldat lsedat sledat deaslt edaslt daeslt adeslt eadslt aedslt desalt edsalt dsealt sdealt esdalt sedalt daselt adselt dsaelt sdaelt asdelt sadelt easdlt aesdlt esadlt seadlt asedlt saedlt dlaset ldaset dalset adlset ladset aldset dlsaet ldsaet dslaet sdlaet lsdaet sldaet daslet adslet dsalet sdalet asdlet sadlet lasdet alsdet lsadet sladet asldet saldet elasdt leasdt ealsdt aelsdt laesdt alesdt elsadt lesadt esladt seladt lseadt sleadt easldt aesldt esaldt sealdt aseldt saeldt lasedt alsedt lsaedt slaedt asledt saledt detasl edtasl dteasl tdeasl etdasl tedasl deatsl edatsl daetsl adetsl eadtsl aedtsl dtaesl tdaesl datesl adtesl tadesl atdesl etadsl teadsl eatdsl aetdsl taedsl atedsl detsal edtsal dtesal tdesal etdsal tedsal destal edstal dsetal sdetal esdtal sedtal dtseal tdseal dsteal sdteal tsdeal stdeal etsdal tesdal estdal setdal tsedal stedal deastl edastl daestl adestl eadstl aedstl desatl edsatl dseatl sdeatl esdatl sedatl dasetl adsetl dsaetl sdaetl asdetl sadetl easdtl aesdtl esadtl seadtl asedtl saedtl dtasel tdasel datsel adtsel tadsel atdsel dtsael tdsael dstael sdtael tsdael stdael dastel adstel dsatel sdatel asdtel sadtel tasdel atsdel tsadel stadel astdel satdel etasdl teasdl eatsdl aetsdl taesdl atesdl etsadl tesadl estadl setadl tseadl steadl eastdl aestdl esatdl seatdl asetdl saetdl tasedl atsedl tsaedl staedl astedl satedl dltase ldtase dtlase tdlase ltdase tldase dlatse ldatse daltse adltse ladtse aldtse dtalse tdalse datlse adtlse tadlse atdlse ltadse tladse latdse altdse taldse atldse dltsae ldtsae dtlsae tdlsae ltdsae tldsae dlstae ldstae dsltae sdltae lsdtae sldtae dtslae tdslae dstlae sdtlae tsdlae stdlae ltsdae tlsdae lstdae sltdae tsldae stldae dlaste ldaste dalste adlste ladste aldste dlsate ldsate dslate sdlate lsdate sldate daslte adslte dsalte sdalte asdlte sadlte lasdte alsdte lsadte sladte asldte saldte dtasle tdasle datsle adtsle tadsle atdsle dtsale tdsale dstale sdtale tsdale stdale dastle adstle dsatle sdatle asdtle sadtle tasdle atsdle tsadle stadle astdle satdle ltasde tlasde latsde altsde talsde atlsde ltsade tlsade lstade sltade tslade stlade lastde alstde lsatde slatde asltde saltde taslde atslde tsalde stalde astlde satlde eltasd letasd etlasd telasd lteasd tleasd elatsd leatsd ealtsd aeltsd laetsd aletsd etalsd tealsd eatlsd aetlsd taelsd atelsd ltaesd tlaesd latesd altesd talesd atlesd eltsad letsad etlsad telsad ltesad tlesad elstad lestad esltad seltad lsetad sletad etslad teslad estlad setlad tselad stelad ltsead tlsead lstead sltead tslead stlead elastd leastd ealstd aelstd laestd alestd elsatd lesatd eslatd selatd lseatd sleatd easltd aesltd esaltd sealtd aseltd saeltd lasetd alsetd lsaetd slaetd asletd saletd etasld teasld eatsld aetsld taesld atesld etsald tesald estald setald tseald steald eastld aestld esatld seatld asetld saetld taseld atseld tsaeld staeld asteld sateld ltased tlased latsed altsed talsed atlsed ltsaed tlsaed lstaed sltaed tslaed stlaed lasted alsted lsated slated aslted salted tasled atsled tsaled staled astled satled
Note: these 'words' (valid or invalid) are all the permutations of the word deltas. These words are obtained by scrambling the letters in deltas.