taster atster tsater stater astter satter tatser attser ttaser ttaser attser tatser tstaer sttaer ttsaer ttsaer sttaer tstaer astter satter atster taster stater tsater tasetr atsetr tsaetr staetr astetr satetr taestr atestr teastr etastr aetstr eatstr tseatr steatr tesatr etsatr setatr estatr asettr saettr aesttr easttr seattr esattr tatesr attesr ttaesr ttaesr attesr tatesr taetsr atetsr teatsr etatsr aettsr eattsr tteasr tteasr tetasr ettasr tetasr ettasr atetsr taetsr aettsr eattsr teatsr etatsr tstear sttear ttsear ttsear sttear tstear tsetar stetar testar etstar settar esttar ttesar ttesar tetsar ettsar tetsar ettsar stetar tsetar settar esttar testar etstar astetr satetr atsetr tasetr staetr tsaetr asettr saettr aesttr easttr seattr esattr atestr taestr aetstr eatstr teastr etastr steatr tseatr setatr estatr tesatr etsatr tastre atstre tsatre statre asttre sattre tatsre attsre ttasre ttasre attsre tatsre tstare sttare ttsare ttsare sttare tstare asttre sattre atstre tastre statre tsatre tasrte atsrte tsarte starte astrte satrte tarste atrste traste rtaste artste ratste tsrate strate trsate rtsate srtate rstate asrtte sartte arstte rastte sratte rsatte tatrse attrse ttarse ttarse attrse tatrse tartse atrtse tratse rtatse arttse rattse ttrase ttrase trtase rttase trtase rttase atrtse tartse arttse rattse tratse rtatse tstrae sttrae ttsrae ttsrae sttrae tstrae tsrtae strtae trstae rtstae srttae rsttae ttrsae ttrsae trtsae rttsae trtsae rttsae strtae tsrtae srttae rsttae trstae rtstae astrte satrte atsrte tasrte starte tsarte asrtte sartte arstte rastte sratte rsatte atrste tarste artste ratste traste rtaste strate tsrate srtate rstate trsate rtsate tasert atsert tsaert staert astert satert taesrt atesrt teasrt etasrt aetsrt eatsrt tseart steart tesart etsart setart estart asetrt saetrt aestrt eastrt seatrt esatrt tasret atsret tsaret staret astret satret tarset atrset traset rtaset artset ratset tsraet straet trsaet rtsaet srtaet rstaet asrtet sartet arstet rastet sratet rsatet taerst aterst tearst etarst aetrst eatrst tarest atrest traest rtaest artest ratest terast etrast treast rteast ertast retast aertst eartst aretst raetst eratst reatst tserat sterat tesrat etsrat setrat estrat tsreat streat trseat rtseat srteat rsteat tersat etrsat tresat rtesat ertsat retsat sertat esrtat sretat rsetat erstat restat asertt saertt aesrtt easrtt seartt esartt asrett sarett arsett rasett sraett rsaett aerstt earstt arestt raestt erastt reastt seratt esratt sreatt rseatt ersatt resatt taters atters ttaers ttaers atters taters taetrs atetrs teatrs etatrs aettrs eattrs ttears ttears tetars ettars tetars ettars atetrs taetrs aettrs eattrs teatrs etatrs tatres attres ttares ttares attres tatres tartes atrtes trates rtates arttes rattes ttraes ttraes trtaes rttaes trtaes rttaes atrtes tartes arttes rattes trates rtates taerts aterts tearts etarts aetrts eatrts tarets atrets traets rtaets artets ratets terats etrats treats rteats ertats retats aertts eartts aretts raetts eratts reatts tteras tteras tetras ettras tetras ettras ttreas ttreas trteas rtteas trteas rtteas tertas etrtas tretas rtetas erttas rettas tertas etrtas tretas rtetas erttas rettas aterts taerts aetrts eatrts tearts etarts atrets tarets artets ratets traets rtaets aertts eartts aretts raetts eratts reatts terats etrats treats rteats ertats retats tstera sttera ttsera ttsera sttera tstera tsetra stetra testra etstra settra esttra ttesra ttesra tetsra ettsra tetsra ettsra stetra tsetra settra esttra testra etstra tstrea sttrea ttsrea ttsrea sttrea tstrea tsrtea strtea trstea rtstea srttea rsttea ttrsea ttrsea trtsea rttsea trtsea rttsea strtea tsrtea srttea rsttea trstea rtstea tserta sterta tesrta etsrta setrta estrta tsreta streta trseta rtseta srteta rsteta tersta etrsta tresta rtesta ertsta retsta sertta esrtta sretta rsetta erstta restta ttersa ttersa tetrsa ettrsa tetrsa ettrsa ttresa ttresa trtesa rttesa trtesa rttesa tertsa etrtsa tretsa rtetsa erttsa rettsa tertsa etrtsa tretsa rtetsa erttsa rettsa sterta tserta setrta estrta tesrta etsrta streta tsreta srteta rsteta trseta rtseta sertta esrtta sretta rsetta erstta restta tersta etrsta tresta rtesta ertsta retsta astert satert atsert tasert staert tsaert asetrt saetrt aestrt eastrt seatrt esatrt atesrt taesrt aetsrt eatsrt teasrt etasrt steart tseart setart estart tesart etsart astret satret atsret tasret staret tsaret asrtet sartet arstet rastet sratet rsatet atrset tarset artset ratset traset rtaset straet tsraet srtaet rstaet trsaet rtsaet asertt saertt aesrtt easrtt seartt esartt asrett sarett arsett rasett sraett rsaett aerstt earstt arestt raestt erastt reastt seratt esratt sreatt rseatt ersatt resatt aterst taerst aetrst eatrst tearst etarst atrest tarest artest ratest traest rtaest aertst eartst aretst raetst eratst reatst terast etrast treast rteast ertast retast sterat tserat setrat estrat tesrat etsrat streat tsreat srteat rsteat trseat rtseat sertat esrtat sretat rsetat erstat restat tersat etrsat tresat rtesat ertsat retsat
Note: these 'words' (valid or invalid) are all the permutations of the word taster. These words are obtained by scrambling the letters in taster.