wastes awstes wsates swates aswtes sawtes watses awtses wtases twases atwses tawses wstaes swtaes wtsaes twsaes stwaes tswaes astwes satwes atswes taswes stawes tsawes wasets awsets wsaets swaets aswets sawets waests awests weasts ewasts aewsts eawsts wseats sweats wesats ewsats sewats eswats asewts saewts aeswts easwts seawts esawts watess awtess wtaess twaess atwess tawess waetss awetss weatss ewatss aewtss eawtss wteass tweass wetass ewtass tewass etwass atewss taewss aetwss eatwss teawss etawss wsteas swteas wtseas twseas stweas tsweas wsetas swetas westas ewstas sewtas eswtas wtesas twesas wetsas ewtsas tewsas etwsas stewas tsewas setwas estwas teswas etswas astews satews atsews tasews staews tsaews asetws saetws aestws eastws seatws esatws atesws taesws aetsws eatsws teasws etasws steaws tseaws setaws estaws tesaws etsaws wastse awstse wsatse swatse aswtse sawtse watsse awtsse wtasse twasse atwsse tawsse wstase swtase wtsase twsase stwase tswase astwse satwse atswse taswse stawse tsawse wasste awsste wsaste swaste aswste sawste wasste awsste wsaste swaste aswste sawste wssate swsate wssate swsate sswate sswate asswte saswte asswte saswte ssawte ssawte watsse awtsse wtasse twasse atwsse tawsse wastse awstse wsatse swatse aswtse sawtse wtsase twsase wstase swtase tswase stwase atswse taswse astwse satwse tsawse stawse wstsae swtsae wtssae twssae stwsae tswsae wsstae swstae wsstae swstae sswtae sswtae wtssae twssae wstsae swtsae tswsae stwsae stswae tsswae sstwae sstwae tsswae stswae astswe satswe atsswe tasswe staswe tsaswe asstwe sastwe asstwe sastwe ssatwe ssatwe atsswe tasswe astswe satswe tsaswe staswe stsawe tssawe sstawe sstawe tssawe stsawe wasest awsest wsaest swaest aswest sawest waesst awesst weasst ewasst aewsst eawsst wseast sweast wesast ewsast sewast eswast asewst saewst aeswst easwst seawst esawst wasset awsset wsaset swaset aswset sawset wasset awsset wsaset swaset aswset sawset wssaet swsaet wssaet swsaet sswaet sswaet asswet saswet asswet saswet ssawet ssawet waesst awesst weasst ewasst aewsst eawsst wasest awsest wsaest swaest aswest sawest wesast ewsast wseast sweast eswast sewast aeswst easwst asewst saewst esawst seawst wsesat swesat wessat ewssat sewsat eswsat wsseat swseat wsseat swseat ssweat ssweat wessat ewssat wsesat swesat eswsat sewsat seswat esswat ssewat ssewat esswat seswat aseswt saeswt aesswt easswt seaswt esaswt assewt sasewt assewt sasewt ssaewt ssaewt aesswt easswt aseswt saeswt esaswt seaswt sesawt essawt sseawt sseawt essawt sesawt watess awtess wtaess twaess atwess tawess waetss awetss weatss ewatss aewtss eawtss wteass tweass wetass ewtass tewass etwass atewss taewss aetwss eatwss teawss etawss watses awtses wtases twases atwses tawses wastes awstes wsates swates aswtes sawtes wtsaes twsaes wstaes swtaes tswaes stwaes atswes taswes astwes satwes tsawes stawes waests awests weasts ewasts aewsts eawsts wasets awsets wsaets swaets aswets sawets wesats ewsats wseats sweats eswats sewats aeswts easwts asewts saewts esawts seawts wtesas twesas wetsas ewtsas tewsas etwsas wtseas twseas wsteas swteas tsweas stweas westas ewstas wsetas swetas eswtas sewtas teswas etswas tsewas stewas estwas setwas atesws taesws aetsws eatsws teasws etasws atsews tasews astews satews tsaews staews aestws eastws asetws saetws esatws seatws tesaws etsaws tseaws steaws estaws setaws wstesa swtesa wtsesa twsesa stwesa tswesa wsetsa swetsa westsa ewstsa sewtsa eswtsa wtessa twessa wetssa ewtssa tewssa etwssa stewsa tsewsa setwsa estwsa teswsa etswsa wstsea swtsea wtssea twssea stwsea tswsea wsstea swstea wsstea swstea sswtea sswtea wtssea twssea wstsea swtsea tswsea stwsea stswea tsswea sstwea sstwea tsswea stswea wsesta swesta wessta ewssta sewsta eswsta wsseta swseta wsseta swseta ssweta ssweta wessta ewssta wsesta swesta eswsta sewsta seswta esswta ssewta ssewta esswta seswta wtessa twessa wetssa ewtssa tewssa etwssa wtsesa twsesa wstesa swtesa tswesa stwesa westsa ewstsa wsetsa swetsa eswtsa sewtsa teswsa etswsa tsewsa stewsa estwsa setwsa steswa tseswa setswa estswa tesswa etsswa stsewa tssewa sstewa sstewa tssewa stsewa sestwa esstwa ssetwa ssetwa esstwa sestwa tesswa etsswa tseswa steswa estswa setswa astesw satesw atsesw tasesw staesw tsaesw asetsw saetsw aestsw eastsw seatsw esatsw atessw taessw aetssw eatssw teassw etassw steasw tseasw setasw estasw tesasw etsasw astsew satsew atssew tassew stasew tsasew asstew sastew asstew sastew ssatew ssatew atssew tassew astsew satsew tsasew stasew stsaew tssaew sstaew sstaew tssaew stsaew asestw saestw aesstw easstw seastw esastw assetw sasetw assetw sasetw ssaetw ssaetw aesstw easstw asestw saestw esastw seastw sesatw essatw sseatw sseatw essatw sesatw atessw taessw aetssw eatssw teassw etassw atsesw tasesw astesw satesw tsaesw staesw aestsw eastsw asetsw saetsw esatsw seatsw tesasw etsasw tseasw steasw estasw setasw stesaw tsesaw setsaw estsaw tessaw etssaw stseaw tsseaw ssteaw ssteaw tsseaw stseaw sestaw esstaw ssetaw ssetaw esstaw sestaw tessaw etssaw tsesaw stesaw estsaw setsaw
Note: these 'words' (valid or invalid) are all the permutations of the word wastes. These words are obtained by scrambling the letters in wastes.