yferes fyeres yefres eyfres feyres efyres yfrees fyrees yrfees ryfees fryees rfyees yerfes eyrfes yrefes ryefes eryfes reyfes feryes efryes freyes rfeyes erfyes refyes yfeers fyeers yefers eyfers feyers efyers yfeers fyeers yefers eyfers feyers efyers yeefrs eyefrs yeefrs eyefrs eeyfrs eeyfrs feeyrs efeyrs feeyrs efeyrs eefyrs eefyrs yfrees fyrees yrfees ryfees fryees rfyees yferes fyeres yefres eyfres feyres efyres yrefes ryefes yerfes eyrfes reyfes eryfes freyes rfeyes feryes efryes refyes erfyes yerefs eyrefs yreefs ryeefs eryefs reyefs yeerfs eyerfs yeerfs eyerfs eeyrfs eeyrfs yreefs ryeefs yerefs eyrefs reyefs eryefs ereyfs reeyfs eeryfs eeryfs reeyfs ereyfs fereys efreys freeys rfeeys erfeys refeys feerys eferys feerys eferys eefrys eefrys freeys rfeeys fereys efreys refeys erfeys erefys reefys eerfys eerfys reefys erefys yferse fyerse yefrse eyfrse feyrse efyrse yfrese fyrese yrfese ryfese fryese rfyese yerfse eyrfse yrefse ryefse eryfse reyfse feryse efryse freyse rfeyse erfyse refyse yfesre fyesre yefsre eyfsre feysre efysre yfsere fysere ysfere syfere fsyere sfyere yesfre eysfre ysefre syefre esyfre seyfre fesyre efsyre fseyre sfeyre esfyre sefyre yfrsee fyrsee yrfsee ryfsee frysee rfysee yfsree fysree ysfree syfree fsyree sfyree yrsfee rysfee ysrfee syrfee rsyfee sryfee frsyee rfsyee fsryee sfryee rsfyee srfyee yersfe eyrsfe yresfe ryesfe erysfe reysfe yesrfe eysrfe yserfe syerfe esyrfe seyrfe yrsefe rysefe ysrefe syrefe rsyefe sryefe ersyfe resyfe esryfe seryfe rseyfe sreyfe fersye efrsye fresye rfesye erfsye refsye fesrye efsrye fserye sferye esfrye sefrye frseye rfseye fsreye sfreye rsfeye srfeye ersfye resfye esrfye serfye rsefye srefye yfeesr fyeesr yefesr eyfesr feyesr efyesr yfeesr fyeesr yefesr eyfesr feyesr efyesr yeefsr eyefsr yeefsr eyefsr eeyfsr eeyfsr feeysr efeysr feeysr efeysr eefysr eefysr yfeser fyeser yefser eyfser feyser efyser yfseer fyseer ysfeer syfeer fsyeer sfyeer yesfer eysfer ysefer syefer esyfer seyfer fesyer efsyer fseyer sfeyer esfyer sefyer yfeser fyeser yefser eyfser feyser efyser yfseer fyseer ysfeer syfeer fsyeer sfyeer yesfer eysfer ysefer syefer esyfer seyfer fesyer efsyer fseyer sfeyer esfyer sefyer yeesfr eyesfr yeesfr eyesfr eeysfr eeysfr yesefr eysefr yseefr syeefr esyefr seyefr yesefr eysefr yseefr syeefr esyefr seyefr eesyfr eesyfr eseyfr seeyfr eseyfr seeyfr feesyr efesyr feesyr efesyr eefsyr eefsyr feseyr efseyr fseeyr sfeeyr esfeyr sefeyr feseyr efseyr fseeyr sfeeyr esfeyr sefeyr eesfyr eesfyr esefyr seefyr esefyr seefyr yfrese fyrese yrfese ryfese fryese rfyese yferse fyerse yefrse eyfrse feyrse efyrse yrefse ryefse yerfse eyrfse reyfse eryfse freyse rfeyse feryse efryse refyse erfyse yfrsee fyrsee yrfsee ryfsee frysee rfysee yfsree fysree ysfree syfree fsyree sfyree yrsfee rysfee ysrfee syrfee rsyfee sryfee frsyee rfsyee fsryee sfryee rsfyee srfyee yfesre fyesre yefsre eyfsre feysre efysre yfsere fysere ysfere syfere fsyere sfyere yesfre eysfre ysefre syefre esyfre seyfre fesyre efsyre fseyre sfeyre esfyre sefyre yresfe ryesfe yersfe eyrsfe reysfe erysfe yrsefe rysefe ysrefe syrefe rsyefe sryefe yesrfe eysrfe yserfe syerfe esyrfe seyrfe resyfe ersyfe rseyfe sreyfe esryfe seryfe fresye rfesye fersye efrsye refsye erfsye frseye rfseye fsreye sfreye rsfeye srfeye fesrye efsrye fserye sferye esfrye sefrye resfye ersfye rsefye srefye esrfye serfye yeresf eyresf yreesf ryeesf eryesf reyesf yeersf eyersf yeersf eyersf eeyrsf eeyrsf yreesf ryeesf yeresf eyresf reyesf eryesf ereysf reeysf eerysf eerysf reeysf ereysf yersef eyrsef yresef ryesef erysef reysef yesref eysref yseref syeref esyref seyref yrseef ryseef ysreef syreef rsyeef sryeef ersyef resyef esryef seryef rseyef sreyef yeesrf eyesrf yeesrf eyesrf eeysrf eeysrf yeserf eyserf yseerf syeerf esyerf seyerf yeserf eyserf yseerf syeerf esyerf seyerf eesyrf eesyrf eseyrf seeyrf eseyrf seeyrf yresef ryesef yersef eyrsef reysef erysef yrseef ryseef ysreef syreef rsyeef sryeef yesref eysref yseref syeref esyref seyref resyef ersyef rseyef sreyef esryef seryef eresyf reesyf eersyf eersyf reesyf eresyf erseyf reseyf esreyf sereyf rseeyf sreeyf eesryf eesryf eseryf seeryf eseryf seeryf reseyf erseyf rseeyf sreeyf esreyf sereyf feresy efresy freesy rfeesy erfesy refesy feersy efersy feersy efersy eefrsy eefrsy freesy rfeesy feresy efresy refesy erfesy erefsy reefsy eerfsy eerfsy reefsy erefsy fersey efrsey fresey rfesey erfsey refsey fesrey efsrey fserey sferey esfrey sefrey frseey rfseey fsreey sfreey rsfeey srfeey ersfey resfey esrfey serfey rsefey srefey feesry efesry feesry efesry eefsry eefsry fesery efsery fseery sfeery esfery sefery fesery efsery fseery sfeery esfery sefery eesfry eesfry esefry seefry esefry seefry fresey rfesey fersey efrsey refsey erfsey frseey rfseey fsreey sfreey rsfeey srfeey fesrey efsrey fserey sferey esfrey sefrey resfey ersfey rsefey srefey esrfey serfey eresfy reesfy eersfy eersfy reesfy eresfy ersefy resefy esrefy serefy rseefy sreefy eesrfy eesrfy eserfy seerfy eserfy seerfy resefy ersefy rseefy sreefy esrefy serefy
Note: these 'words' (valid or invalid) are all the permutations of the word yferes. These words are obtained by scrambling the letters in yferes.