sythes ysthes styhes tsyhes ytshes tyshes syhtes yshtes shytes hsytes yhstes hystes sthyes tshyes shtyes hstyes thsyes htsyes ythses tyhses yhtses hytses thyses htyses sytehs ystehs styehs tsyehs ytsehs tysehs syeths yseths seyths esyths yesths eysths steyhs tseyhs setyhs estyhs tesyhs etsyhs yteshs tyeshs yetshs eytshs teyshs etyshs syhets yshets shyets hsyets yhsets hysets syehts ysehts seyhts esyhts yeshts eyshts sheyts hseyts sehyts eshyts hesyts ehsyts yhests hyests yehsts eyhsts heysts ehysts stheys tsheys shteys hsteys thseys htseys stehys tsehys sethys esthys teshys etshys shetys hsetys sehtys eshtys hestys ehstys thesys htesys tehsys ethsys hetsys ehtsys ythess tyhess yhtess hytess thyess htyess ytehss tyehss yethss eythss teyhss etyhss yhetss hyetss yehtss eyhtss heytss ehytss theyss hteyss tehyss ethyss hetyss ehtyss sythse ysthse styhse tsyhse ytshse tyshse syhtse yshtse shytse hsytse yhstse hystse sthyse tshyse shtyse hstyse thsyse htsyse ythsse tyhsse yhtsse hytsse thysse htysse sytshe ystshe styshe tsyshe ytsshe tysshe systhe yssthe ssythe ssythe yssthe systhe stsyhe tssyhe sstyhe sstyhe tssyhe stsyhe ytsshe tysshe ystshe sytshe tsyshe styshe syhste yshste shyste hsyste yhsste hysste syshte ysshte ssyhte ssyhte ysshte syshte shsyte hssyte sshyte sshyte hssyte shsyte yhsste hysste yshste syhste hsyste shyste sthsye tshsye shtsye hstsye thssye htssye stshye tsshye ssthye ssthye tsshye stshye shstye hsstye sshtye sshtye hsstye shstye thssye htssye tshsye sthsye hstsye shtsye ythsse tyhsse yhtsse hytsse thysse htysse ytshse tyshse ysthse sythse tsyhse styhse yhstse hystse yshtse syhtse hsytse shytse thsyse htsyse tshyse sthyse hstyse shtyse sytesh ystesh styesh tsyesh ytsesh tysesh syetsh ysetsh seytsh esytsh yestsh eystsh steysh tseysh setysh estysh tesysh etsysh ytessh tyessh yetssh eytssh teyssh etyssh sytseh ystseh styseh tsyseh ytsseh tysseh systeh yssteh ssyteh ssyteh yssteh systeh stsyeh tssyeh sstyeh sstyeh tssyeh stsyeh ytsseh tysseh ystseh sytseh tsyseh styseh syesth ysesth seysth esysth yessth eyssth syseth ysseth ssyeth ssyeth ysseth syseth sesyth essyth sseyth sseyth essyth sesyth yessth eyssth ysesth syesth esysth seysth stesyh tsesyh setsyh estsyh tessyh etssyh stseyh tsseyh ssteyh ssteyh tsseyh stseyh sestyh esstyh ssetyh ssetyh esstyh sestyh tessyh etssyh tsesyh stesyh estsyh setsyh ytessh tyessh yetssh eytssh teyssh etyssh ytsesh tysesh ystesh sytesh tsyesh styesh yestsh eystsh ysetsh syetsh esytsh seytsh tesysh etsysh tseysh steysh estysh setysh syhest yshest shyest hsyest yhsest hysest syehst ysehst seyhst esyhst yeshst eyshst sheyst hseyst sehyst eshyst hesyst ehsyst yhesst hyesst yehsst eyhsst heysst ehysst syhset yshset shyset hsyset yhsset hysset syshet ysshet ssyhet ssyhet ysshet syshet shsyet hssyet sshyet sshyet hssyet shsyet yhsset hysset yshset syhset hsyset shyset syesht ysesht seysht esysht yessht eyssht syseht ysseht ssyeht ssyeht ysseht syseht sesyht essyht sseyht sseyht essyht sesyht yessht eyssht ysesht syesht esysht seysht shesyt hsesyt sehsyt eshsyt hessyt ehssyt shseyt hsseyt ssheyt ssheyt hsseyt shseyt seshyt esshyt ssehyt ssehyt esshyt seshyt hessyt ehssyt hsesyt shesyt eshsyt sehsyt yhesst hyesst yehsst eyhsst heysst ehysst yhsest hysest yshest syhest hsyest shyest yeshst eyshst ysehst syehst esyhst seyhst hesyst ehsyst hseyst sheyst eshyst sehyst sthesy tshesy shtesy hstesy thsesy htsesy stehsy tsehsy sethsy esthsy teshsy etshsy shetsy hsetsy sehtsy eshtsy hestsy ehstsy thessy htessy tehssy ethssy hetssy ehtssy sthsey tshsey shtsey hstsey thssey htssey stshey tsshey ssthey ssthey tsshey stshey shstey hsstey sshtey sshtey hsstey shstey thssey htssey tshsey sthsey hstsey shtsey steshy tseshy setshy estshy tesshy etsshy stsehy tssehy sstehy sstehy tssehy stsehy sesthy essthy ssethy ssethy essthy sesthy tesshy etsshy tseshy steshy estshy setshy shesty hsesty sehsty eshsty hessty ehssty shsety hssety sshety sshety hssety shsety seshty esshty ssehty ssehty esshty seshty hessty ehssty hsesty shesty eshsty sehsty thessy htessy tehssy ethssy hetssy ehtssy thsesy htsesy tshesy sthesy hstesy shtesy teshsy etshsy tsehsy stehsy esthsy sethsy hestsy ehstsy hsetsy shetsy eshtsy sehtsy ythess tyhess yhtess hytess thyess htyess ytehss tyehss yethss eythss teyhss etyhss yhetss hyetss yehtss eyhtss heytss ehytss theyss hteyss tehyss ethyss hetyss ehtyss ythses tyhses yhtses hytses thyses htyses ytshes tyshes ysthes sythes tsyhes styhes yhstes hystes yshtes syhtes hsytes shytes thsyes htsyes tshyes sthyes hstyes shtyes yteshs tyeshs yetshs eytshs teyshs etyshs ytsehs tysehs ystehs sytehs tsyehs styehs yesths eysths yseths syeths esyths seyths tesyhs etsyhs tseyhs steyhs estyhs setyhs yhests hyests yehsts eyhsts heysts ehysts yhsets hysets yshets syhets hsyets shyets yeshts eyshts ysehts syehts esyhts seyhts hesyts ehsyts hseyts sheyts eshyts sehyts thesys htesys tehsys ethsys hetsys ehtsys thseys htseys tsheys stheys hsteys shteys teshys etshys tsehys stehys esthys sethys hestys ehstys hsetys shetys eshtys sehtys
Note: these 'words' (valid or invalid) are all the permutations of the word sythes. These words are obtained by scrambling the letters in sythes.