shayas hsayas sahyas ashyas hasyas ahsyas shyaas hsyaas syhaas yshaas hysaas yhsaas sayhas asyhas syahas ysahas ayshas yashas haysas ahysas hyasas yhasas ayhsas yahsas shaays hsaays sahays ashays hasays ahsays shaays hsaays sahays ashays hasays ahsays saahys asahys saahys asahys aashys aashys haasys ahasys haasys ahasys aahsys aahsys shyaas hsyaas syhaas yshaas hysaas yhsaas shayas hsayas sahyas ashyas hasyas ahsyas syahas ysahas sayhas asyhas yashas ayshas hyasas yhasas haysas ahysas yahsas ayhsas sayahs asyahs syaahs ysaahs aysahs yasahs saayhs asayhs saayhs asayhs aasyhs aasyhs syaahs ysaahs sayahs asyahs yasahs aysahs ayashs yaashs aayshs aayshs yaashs ayashs hayass ahyass hyaass yhaass ayhass yahass haayss ahayss haayss ahayss aahyss aahyss hyaass yhaass hayass ahyass yahass ayhass ayahss yaahss aayhss aayhss yaahss ayahss shaysa hsaysa sahysa ashysa hasysa ahsysa shyasa hsyasa syhasa yshasa hysasa yhsasa sayhsa asyhsa syahsa ysahsa ayshsa yashsa hayssa ahyssa hyassa yhassa ayhssa yahssa shasya hsasya sahsya ashsya hassya ahssya shsaya hssaya sshaya sshaya hssaya shsaya sashya asshya ssahya ssahya asshya sashya hassya ahssya hsasya shasya ashsya sahsya shysaa hsysaa syhsaa yshsaa hyssaa yhssaa shsyaa hssyaa sshyaa sshyaa hssyaa shsyaa syshaa ysshaa ssyhaa ssyhaa ysshaa syshaa hyssaa yhssaa hsysaa shysaa yshsaa syhsaa saysha asysha syasha ysasha ayssha yassha sasyha assyha ssayha ssayha assyha sasyha sysaha yssaha ssyaha ssyaha yssaha sysaha ayssha yassha asysha saysha ysasha syasha hayssa ahyssa hyassa yhassa ayhssa yahssa hasysa ahsysa hsaysa shaysa ashysa sahysa hysasa yhsasa hsyasa shyasa yshasa syhasa ayshsa yashsa asyhsa sayhsa ysahsa syahsa shaasy hsaasy sahasy ashasy hasasy ahsasy shaasy hsaasy sahasy ashasy hasasy ahsasy saahsy asahsy saahsy asahsy aashsy aashsy haassy ahassy haassy ahassy aahssy aahssy shasay hsasay sahsay ashsay hassay ahssay shsaay hssaay sshaay sshaay hssaay shsaay sashay asshay ssahay ssahay asshay sashay hassay ahssay hsasay shasay ashsay sahsay shasay hsasay sahsay ashsay hassay ahssay shsaay hssaay sshaay sshaay hssaay shsaay sashay asshay ssahay ssahay asshay sashay hassay ahssay hsasay shasay ashsay sahsay saashy asashy saashy asashy aasshy aasshy sasahy assahy ssaahy ssaahy assahy sasahy sasahy assahy ssaahy ssaahy assahy sasahy aasshy aasshy asashy saashy asashy saashy haassy ahassy haassy ahassy aahssy aahssy hasasy ahsasy hsaasy shaasy ashasy sahasy hasasy ahsasy hsaasy shaasy ashasy sahasy aashsy aashsy asahsy saahsy asahsy saahsy shyasa hsyasa syhasa yshasa hysasa yhsasa shaysa hsaysa sahysa ashysa hasysa ahsysa syahsa ysahsa sayhsa asyhsa yashsa ayshsa hyassa yhassa hayssa ahyssa yahssa ayhssa shysaa hsysaa syhsaa yshsaa hyssaa yhssaa shsyaa hssyaa sshyaa sshyaa hssyaa shsyaa syshaa ysshaa ssyhaa ssyhaa ysshaa syshaa hyssaa yhssaa hsysaa shysaa yshsaa syhsaa shasya hsasya sahsya ashsya hassya ahssya shsaya hssaya sshaya sshaya hssaya shsaya sashya asshya ssahya ssahya asshya sashya hassya ahssya hsasya shasya ashsya sahsya syasha ysasha saysha asysha yassha ayssha sysaha yssaha ssyaha ssyaha yssaha sysaha sasyha assyha ssayha ssayha assyha sasyha yassha ayssha ysasha syasha asysha saysha hyassa yhassa hayssa ahyssa yahssa ayhssa hysasa yhsasa hsyasa shyasa yshasa syhasa hasysa ahsysa hsaysa shaysa ashysa sahysa yashsa ayshsa ysahsa syahsa asyhsa sayhsa sayash asyash syaash ysaash aysash yasash saaysh asaysh saaysh asaysh aasysh aasysh syaash ysaash sayash asyash yasash aysash ayassh yaassh aayssh aayssh yaassh ayassh saysah asysah syasah ysasah ayssah yassah sasyah assyah ssayah ssayah assyah sasyah sysaah yssaah ssyaah ssyaah yssaah sysaah ayssah yassah asysah saysah ysasah syasah saasyh asasyh saasyh asasyh aassyh aassyh sasayh assayh ssaayh ssaayh assayh sasayh sasayh assayh ssaayh ssaayh assayh sasayh aassyh aassyh asasyh saasyh asasyh saasyh syasah ysasah saysah asysah yassah ayssah sysaah yssaah ssyaah ssyaah yssaah sysaah sasyah assyah ssayah ssayah assyah sasyah yassah ayssah ysasah syasah asysah saysah ayassh yaassh aayssh aayssh yaassh ayassh aysash yasash asyash sayash ysaash syaash aasysh aasysh asaysh saaysh asaysh saaysh yasash aysash ysaash syaash asyash sayash hayass ahyass hyaass yhaass ayhass yahass haayss ahayss haayss ahayss aahyss aahyss hyaass yhaass hayass ahyass yahass ayhass ayahss yaahss aayhss aayhss yaahss ayahss haysas ahysas hyasas yhasas ayhsas yahsas hasyas ahsyas hsayas shayas ashyas sahyas hysaas yhsaas hsyaas shyaas yshaas syhaas ayshas yashas asyhas sayhas ysahas syahas haasys ahasys haasys ahasys aahsys aahsys hasays ahsays hsaays shaays ashays sahays hasays ahsays hsaays shaays ashays sahays aashys aashys asahys saahys asahys saahys hyasas yhasas haysas ahysas yahsas ayhsas hysaas yhsaas hsyaas shyaas yshaas syhaas hasyas ahsyas hsayas shayas ashyas sahyas yashas ayshas ysahas syahas asyhas sayhas ayashs yaashs aayshs aayshs yaashs ayashs aysahs yasahs asyahs sayahs ysaahs syaahs aasyhs aasyhs asayhs saayhs asayhs saayhs yasahs aysahs ysaahs syaahs asyahs sayahs
Note: these 'words' (valid or invalid) are all the permutations of the word shayas. These words are obtained by scrambling the letters in shayas.