illths lilths illths lilths lliths lliths iltlhs litlhs itllhs tillhs ltilhs tlilhs iltlhs litlhs itllhs tillhs ltilhs tlilhs lltihs lltihs ltlihs tllihs ltlihs tllihs illhts lilhts illhts lilhts llihts llihts ilhlts lihlts ihllts hillts lhilts hlilts ilhlts lihlts ihllts hillts lhilts hlilts llhits llhits lhlits hllits lhlits hllits ilthls lithls itlhls tilhls ltihls tlihls ilhtls lihtls ihltls hiltls lhitls hlitls ithlls tihlls ihtlls hitlls thills htills lthils tlhils lhtils hltils thlils htlils ilthls lithls itlhls tilhls ltihls tlihls ilhtls lihtls ihltls hiltls lhitls hlitls ithlls tihlls ihtlls hitlls thills htills lthils tlhils lhtils hltils thlils htlils llthis llthis ltlhis tllhis ltlhis tllhis llhtis llhtis lhltis hlltis lhltis hlltis lthlis tlhlis lhtlis hltlis thllis htllis lthlis tlhlis lhtlis hltlis thllis htllis illtsh liltsh illtsh liltsh llitsh llitsh iltlsh litlsh itllsh tillsh ltilsh tlilsh iltlsh litlsh itllsh tillsh ltilsh tlilsh lltish lltish ltlish tllish ltlish tllish illsth lilsth illsth lilsth llisth llisth ilslth lislth isllth sillth lsilth slilth ilslth lislth isllth sillth lsilth slilth llsith llsith lslith sllith lslith sllith iltslh litslh itlslh tilslh ltislh tlislh ilstlh listlh isltlh siltlh lsitlh slitlh itsllh tisllh istllh sitllh tsillh stillh ltsilh tlsilh lstilh sltilh tslilh stlilh iltslh litslh itlslh tilslh ltislh tlislh ilstlh listlh isltlh siltlh lsitlh slitlh itsllh tisllh istllh sitllh tsillh stillh ltsilh tlsilh lstilh sltilh tslilh stlilh lltsih lltsih ltlsih tllsih ltlsih tllsih llstih llstih lsltih slltih lsltih slltih ltslih tlslih lstlih sltlih tsllih stllih ltslih tlslih lstlih sltlih tsllih stllih illhst lilhst illhst lilhst llihst llihst ilhlst lihlst ihllst hillst lhilst hlilst ilhlst lihlst ihllst hillst lhilst hlilst llhist llhist lhlist hllist lhlist hllist illsht lilsht illsht lilsht llisht llisht ilslht lislht isllht sillht lsilht slilht ilslht lislht isllht sillht lsilht slilht llsiht llsiht lsliht slliht lsliht slliht ilhslt lihslt ihlslt hilslt lhislt hlislt ilshlt lishlt islhlt silhlt lsihlt slihlt ihsllt hisllt ishllt sihllt hsillt shillt lhsilt hlsilt lshilt slhilt hslilt shlilt ilhslt lihslt ihlslt hilslt lhislt hlislt ilshlt lishlt islhlt silhlt lsihlt slihlt ihsllt hisllt ishllt sihllt hsillt shillt lhsilt hlsilt lshilt slhilt hslilt shlilt llhsit llhsit lhlsit hllsit lhlsit hllsit llshit llshit lslhit sllhit lslhit sllhit lhslit hlslit lshlit slhlit hsllit shllit lhslit hlslit lshlit slhlit hsllit shllit ilthsl lithsl itlhsl tilhsl ltihsl tlihsl ilhtsl lihtsl ihltsl hiltsl lhitsl hlitsl ithlsl tihlsl ihtlsl hitlsl thilsl htilsl lthisl tlhisl lhtisl hltisl thlisl htlisl iltshl litshl itlshl tilshl ltishl tlishl ilsthl listhl islthl silthl lsithl slithl itslhl tislhl istlhl sitlhl tsilhl stilhl ltsihl tlsihl lstihl sltihl tslihl stlihl ilhstl lihstl ihlstl hilstl lhistl hlistl ilshtl lishtl islhtl silhtl lsihtl slihtl ihsltl hisltl ishltl sihltl hsiltl shiltl lhsitl hlsitl lshitl slhitl hslitl shlitl ithsll tihsll ihtsll hitsll thisll htisll itshll tishll isthll sithll tsihll stihll ihstll histll ishtll sihtll hsitll shitll thsill htsill tshill sthill hstill shtill lthsil tlhsil lhtsil hltsil thlsil htlsil ltshil tlshil lsthil slthil tslhil stlhil lhstil hlstil lshtil slhtil hsltil shltil thslil htslil tshlil sthlil hstlil shtlil ilthsl lithsl itlhsl tilhsl ltihsl tlihsl ilhtsl lihtsl ihltsl hiltsl lhitsl hlitsl ithlsl tihlsl ihtlsl hitlsl thilsl htilsl lthisl tlhisl lhtisl hltisl thlisl htlisl iltshl litshl itlshl tilshl ltishl tlishl ilsthl listhl islthl silthl lsithl slithl itslhl tislhl istlhl sitlhl tsilhl stilhl ltsihl tlsihl lstihl sltihl tslihl stlihl ilhstl lihstl ihlstl hilstl lhistl hlistl ilshtl lishtl islhtl silhtl lsihtl slihtl ihsltl hisltl ishltl sihltl hsiltl shiltl lhsitl hlsitl lshitl slhitl hslitl shlitl ithsll tihsll ihtsll hitsll thisll htisll itshll tishll isthll sithll tsihll stihll ihstll histll ishtll sihtll hsitll shitll thsill htsill tshill sthill hstill shtill lthsil tlhsil lhtsil hltsil thlsil htlsil ltshil tlshil lsthil slthil tslhil stlhil lhstil hlstil lshtil slhtil hsltil shltil thslil htslil tshlil sthlil hstlil shtlil llthsi llthsi ltlhsi tllhsi ltlhsi tllhsi llhtsi llhtsi lhltsi hlltsi lhltsi hlltsi lthlsi tlhlsi lhtlsi hltlsi thllsi htllsi lthlsi tlhlsi lhtlsi hltlsi thllsi htllsi lltshi lltshi ltlshi tllshi ltlshi tllshi llsthi llsthi lslthi sllthi lslthi sllthi ltslhi tlslhi lstlhi sltlhi tsllhi stllhi ltslhi tlslhi lstlhi sltlhi tsllhi stllhi llhsti llhsti lhlsti hllsti lhlsti hllsti llshti llshti lslhti sllhti lslhti sllhti lhslti hlslti lshlti slhlti hsllti shllti lhslti hlslti lshlti slhlti hsllti shllti lthsli tlhsli lhtsli hltsli thlsli htlsli ltshli tlshli lsthli slthli tslhli stlhli lhstli hlstli lshtli slhtli hsltli shltli thslli htslli tshlli sthlli hstlli shtlli lthsli tlhsli lhtsli hltsli thlsli htlsli ltshli tlshli lsthli slthli tslhli stlhli lhstli hlstli lshtli slhtli hsltli shltli thslli htslli tshlli sthlli hstlli shtlli
Note: these 'words' (valid or invalid) are all the permutations of the word illths. These words are obtained by scrambling the letters in illths.