freety rfeety ferety efrety refety erfety freety rfeety ferety efrety refety erfety feerty eferty feerty eferty eefrty eefrty reefty erefty reefty erefty eerfty eerfty fretey rfetey fertey efrtey reftey erftey frteey rfteey ftreey tfreey rtfeey trfeey fetrey eftrey fterey tferey etfrey tefrey retfey ertfey rtefey trefey etrfey terfey fretey rfetey fertey efrtey reftey erftey frteey rfteey ftreey tfreey rtfeey trfeey fetrey eftrey fterey tferey etfrey tefrey retfey ertfey rtefey trefey etrfey terfey feetry efetry feetry efetry eeftry eeftry fetery eftery fteery tfeery etfery tefery fetery eftery fteery tfeery etfery tefery eetfry eetfry etefry teefry etefry teefry reetfy eretfy reetfy eretfy eertfy eertfy retefy ertefy rteefy treefy etrefy terefy retefy ertefy rteefy treefy etrefy terefy eetrfy eetrfy eterfy teerfy eterfy teerfy freeyt rfeeyt fereyt efreyt refeyt erfeyt freeyt rfeeyt fereyt efreyt refeyt erfeyt feeryt eferyt feeryt eferyt eefryt eefryt reefyt erefyt reefyt erefyt eerfyt eerfyt freyet rfeyet feryet efryet refyet erfyet fryeet rfyeet fyreet yfreet ryfeet yrfeet feyret efyret fyeret yferet eyfret yefret reyfet eryfet ryefet yrefet eyrfet yerfet freyet rfeyet feryet efryet refyet erfyet fryeet rfyeet fyreet yfreet ryfeet yrfeet feyret efyret fyeret yferet eyfret yefret reyfet eryfet ryefet yrefet eyrfet yerfet feeyrt efeyrt feeyrt efeyrt eefyrt eefyrt feyert efyert fyeert yfeert eyfert yefert feyert efyert fyeert yfeert eyfert yefert eeyfrt eeyfrt eyefrt yeefrt eyefrt yeefrt reeyft ereyft reeyft ereyft eeryft eeryft reyeft eryeft ryeeft yreeft eyreft yereft reyeft eryeft ryeeft yreeft eyreft yereft eeyrft eeyrft eyerft yeerft eyerft yeerft fretye rfetye fertye efrtye reftye erftye frteye rfteye ftreye tfreye rtfeye trfeye fetrye eftrye fterye tferye etfrye tefrye retfye ertfye rtefye trefye etrfye terfye freyte rfeyte feryte efryte refyte erfyte fryete rfyete fyrete yfrete ryfete yrfete feyrte efyrte fyerte yferte eyfrte yefrte reyfte eryfte ryefte yrefte eyrfte yerfte frtyee rftyee ftryee tfryee rtfyee trfyee frytee rfytee fyrtee yfrtee ryftee yrftee ftyree tfyree fytree yftree tyfree ytfree rtyfee tryfee rytfee yrtfee tyrfee ytrfee fetyre eftyre fteyre tfeyre etfyre tefyre feytre efytre fyetre yfetre eyftre yeftre ftyere tfyere fytere yftere tyfere ytfere etyfre teyfre eytfre yetfre tyefre ytefre retyfe ertyfe rteyfe treyfe etryfe teryfe reytfe erytfe ryetfe yretfe eyrtfe yertfe rtyefe tryefe rytefe yrtefe tyrefe ytrefe etyrfe teyrfe eytrfe yetrfe tyerfe yterfe fretye rfetye fertye efrtye reftye erftye frteye rfteye ftreye tfreye rtfeye trfeye fetrye eftrye fterye tferye etfrye tefrye retfye ertfye rtefye trefye etrfye terfye freyte rfeyte feryte efryte refyte erfyte fryete rfyete fyrete yfrete ryfete yrfete feyrte efyrte fyerte yferte eyfrte yefrte reyfte eryfte ryefte yrefte eyrfte yerfte frtyee rftyee ftryee tfryee rtfyee trfyee frytee rfytee fyrtee yfrtee ryftee yrftee ftyree tfyree fytree yftree tyfree ytfree rtyfee tryfee rytfee yrtfee tyrfee ytrfee fetyre eftyre fteyre tfeyre etfyre tefyre feytre efytre fyetre yfetre eyftre yeftre ftyere tfyere fytere yftere tyfere ytfere etyfre teyfre eytfre yetfre tyefre ytefre retyfe ertyfe rteyfe treyfe etryfe teryfe reytfe erytfe ryetfe yretfe eyrtfe yertfe rtyefe tryefe rytefe yrtefe tyrefe ytrefe etyrfe teyrfe eytrfe yetrfe tyerfe yterfe feetyr efetyr feetyr efetyr eeftyr eeftyr feteyr efteyr fteeyr tfeeyr etfeyr tefeyr feteyr efteyr fteeyr tfeeyr etfeyr tefeyr eetfyr eetfyr etefyr teefyr etefyr teefyr feeytr efeytr feeytr efeytr eefytr eefytr feyetr efyetr fyeetr yfeetr eyfetr yefetr feyetr efyetr fyeetr yfeetr eyfetr yefetr eeyftr eeyftr eyeftr yeeftr eyeftr yeeftr fetyer eftyer fteyer tfeyer etfyer tefyer feyter efyter fyeter yfeter eyfter yefter ftyeer tfyeer fyteer yfteer tyfeer ytfeer etyfer teyfer eytfer yetfer tyefer ytefer fetyer eftyer fteyer tfeyer etfyer tefyer feyter efyter fyeter yfeter eyfter yefter ftyeer tfyeer fyteer yfteer tyfeer ytfeer etyfer teyfer eytfer yetfer tyefer ytefer eetyfr eetyfr eteyfr teeyfr eteyfr teeyfr eeytfr eeytfr eyetfr yeetfr eyetfr yeetfr etyefr teyefr eytefr yetefr tyeefr yteefr etyefr teyefr eytefr yetefr tyeefr yteefr reetyf eretyf reetyf eretyf eertyf eertyf reteyf erteyf rteeyf treeyf etreyf tereyf reteyf erteyf rteeyf treeyf etreyf tereyf eetryf eetryf eteryf teeryf eteryf teeryf reeytf ereytf reeytf ereytf eerytf eerytf reyetf eryetf ryeetf yreetf eyretf yeretf reyetf eryetf ryeetf yreetf eyretf yeretf eeyrtf eeyrtf eyertf yeertf eyertf yeertf retyef ertyef rteyef treyef etryef teryef reytef erytef ryetef yretef eyrtef yertef rtyeef tryeef ryteef yrteef tyreef ytreef etyref teyref eytref yetref tyeref yteref retyef ertyef rteyef treyef etryef teryef reytef erytef ryetef yretef eyrtef yertef rtyeef tryeef ryteef yrteef tyreef ytreef etyref teyref eytref yetref tyeref yteref eetyrf eetyrf eteyrf teeyrf eteyrf teeyrf eeytrf eeytrf eyetrf yeetrf eyetrf yeetrf etyerf teyerf eyterf yeterf tyeerf yteerf etyerf teyerf eyterf yeterf tyeerf yteerf
Note: these 'words' (valid or invalid) are all the permutations of the word freety. These words are obtained by scrambling the letters in freety.