rarefy arrefy rraefy rraefy arrefy rarefy raerfy arerfy rearfy erarfy aerrfy earrfy rreafy rreafy rerafy errafy rerafy errafy arerfy raerfy aerrfy earrfy rearfy erarfy rarfey arrfey rrafey rrafey arrfey rarfey rafrey arfrey rfarey frarey afrrey farrey rrfaey rrfaey rfraey frraey rfraey frraey arfrey rafrey afrrey farrey rfarey frarey raefry arefry reafry erafry aerfry earfry rafery arfery rfaery fraery afrery farery refary erfary rfeary freary efrary ferary aefrry eafrry aferry faerry efarry fearry rrefay rrefay rerfay errfay rerfay errfay rrfeay rrfeay rfreay frreay rfreay frreay refray erfray rferay freray efrray ferray refray erfray rferay freray efrray ferray arefry raefry aerfry earfry reafry erafry arfery rafery afrery farery rfaery fraery aefrry eafrry aferry faerry efarry fearry refary erfary rfeary freary efrary ferary rareyf arreyf rraeyf rraeyf arreyf rareyf raeryf areryf rearyf eraryf aerryf earryf rreayf rreayf rerayf errayf rerayf errayf areryf raeryf aerryf earryf rearyf eraryf raryef arryef rrayef rrayef arryef raryef rayref aryref ryaref yraref ayrref yarref rryaef rryaef ryraef yrraef ryraef yrraef aryref rayref ayrref yarref ryaref yraref raeyrf areyrf reayrf erayrf aeryrf earyrf rayerf aryerf ryaerf yraerf ayrerf yarerf reyarf eryarf ryearf yrearf eyrarf yerarf aeyrrf eayrrf ayerrf yaerrf eyarrf yearrf rreyaf rreyaf reryaf erryaf reryaf erryaf rryeaf rryeaf ryreaf yrreaf ryreaf yrreaf reyraf eryraf ryeraf yreraf eyrraf yerraf reyraf eryraf ryeraf yreraf eyrraf yerraf areyrf raeyrf aeryrf earyrf reayrf erayrf aryerf rayerf ayrerf yarerf ryaerf yraerf aeyrrf eayrrf ayerrf yaerrf eyarrf yearrf reyarf eryarf ryearf yrearf eyrarf yerarf rarfye arrfye rrafye rrafye arrfye rarfye rafrye arfrye rfarye frarye afrrye farrye rrfaye rrfaye rfraye frraye rfraye frraye arfrye rafrye afrrye farrye rfarye frarye raryfe arryfe rrayfe rrayfe arryfe raryfe rayrfe aryrfe ryarfe yrarfe ayrrfe yarrfe rryafe rryafe ryrafe yrrafe ryrafe yrrafe aryrfe rayrfe ayrrfe yarrfe ryarfe yrarfe rafyre arfyre rfayre frayre afryre faryre rayfre aryfre ryafre yrafre ayrfre yarfre rfyare fryare ryfare yrfare fyrare yfrare afyrre fayrre ayfrre yafrre fyarre yfarre rrfyae rrfyae rfryae frryae rfryae frryae rryfae rryfae ryrfae yrrfae ryrfae yrrfae rfyrae fryrae ryfrae yrfrae fyrrae yfrrae rfyrae fryrae ryfrae yrfrae fyrrae yfrrae arfyre rafyre afryre faryre rfayre frayre aryfre rayfre ayrfre yarfre ryafre yrafre afyrre fayrre ayfrre yafrre fyarre yfarre rfyare fryare ryfare yrfare fyrare yfrare raefyr arefyr reafyr erafyr aerfyr earfyr rafeyr arfeyr rfaeyr fraeyr afreyr fareyr refayr erfayr rfeayr freayr efrayr ferayr aefryr eafryr aferyr faeryr efaryr fearyr raeyfr areyfr reayfr erayfr aeryfr earyfr rayefr aryefr ryaefr yraefr ayrefr yarefr reyafr eryafr ryeafr yreafr eyrafr yerafr aeyrfr eayrfr ayerfr yaerfr eyarfr yearfr rafyer arfyer rfayer frayer afryer faryer rayfer aryfer ryafer yrafer ayrfer yarfer rfyaer fryaer ryfaer yrfaer fyraer yfraer afyrer fayrer ayfrer yafrer fyarer yfarer refyar erfyar rfeyar freyar efryar feryar reyfar eryfar ryefar yrefar eyrfar yerfar rfyear fryear ryfear yrfear fyrear yfrear efyrar feyrar eyfrar yefrar fyerar yferar aefyrr eafyrr afeyrr faeyrr efayrr feayrr aeyfrr eayfrr ayefrr yaefrr eyafrr yeafrr afyerr fayerr ayferr yaferr fyaerr yfaerr efyarr feyarr eyfarr yefarr fyearr yfearr rrefya rrefya rerfya errfya rerfya errfya rrfeya rrfeya rfreya frreya rfreya frreya refrya erfrya rferya frerya efrrya ferrya refrya erfrya rferya frerya efrrya ferrya rreyfa rreyfa reryfa erryfa reryfa erryfa rryefa rryefa ryrefa yrrefa ryrefa yrrefa reyrfa eryrfa ryerfa yrerfa eyrrfa yerrfa reyrfa eryrfa ryerfa yrerfa eyrrfa yerrfa rrfyea rrfyea rfryea frryea rfryea frryea rryfea rryfea ryrfea yrrfea ryrfea yrrfea rfyrea fryrea ryfrea yrfrea fyrrea yfrrea rfyrea fryrea ryfrea yrfrea fyrrea yfrrea refyra erfyra rfeyra freyra efryra feryra reyfra eryfra ryefra yrefra eyrfra yerfra rfyera fryera ryfera yrfera fyrera yfrera efyrra feyrra eyfrra yefrra fyerra yferra refyra erfyra rfeyra freyra efryra feryra reyfra eryfra ryefra yrefra eyrfra yerfra rfyera fryera ryfera yrfera fyrera yfrera efyrra feyrra eyfrra yefrra fyerra yferra arefyr raefyr aerfyr earfyr reafyr erafyr arfeyr rafeyr afreyr fareyr rfaeyr fraeyr aefryr eafryr aferyr faeryr efaryr fearyr refayr erfayr rfeayr freayr efrayr ferayr areyfr raeyfr aeryfr earyfr reayfr erayfr aryefr rayefr ayrefr yarefr ryaefr yraefr aeyrfr eayrfr ayerfr yaerfr eyarfr yearfr reyafr eryafr ryeafr yreafr eyrafr yerafr arfyer rafyer afryer faryer rfayer frayer aryfer rayfer ayrfer yarfer ryafer yrafer afyrer fayrer ayfrer yafrer fyarer yfarer rfyaer fryaer ryfaer yrfaer fyraer yfraer aefyrr eafyrr afeyrr faeyrr efayrr feayrr aeyfrr eayfrr ayefrr yaefrr eyafrr yeafrr afyerr fayerr ayferr yaferr fyaerr yfaerr efyarr feyarr eyfarr yefarr fyearr yfearr refyar erfyar rfeyar freyar efryar feryar reyfar eryfar ryefar yrefar eyrfar yerfar rfyear fryear ryfear yrfear fyrear yfrear efyrar feyrar eyfrar yefrar fyerar yferar
Note: these 'words' (valid or invalid) are all the permutations of the word rarefy. These words are obtained by scrambling the letters in rarefy.