shrill hsrill srhill rshill hrsill rhsill shirll hsirll sihrll ishrll hisrll ihsrll srihll rsihll sirhll isrhll rishll irshll hrisll rhisll hirsll ihrsll rihsll irhsll shrlil hsrlil srhlil rshlil hrslil rhslil shlril hslril slhril lshril hlsril lhsril srlhil rslhil slrhil lsrhil rlshil lrshil hrlsil rhlsil hlrsil lhrsil rlhsil lrhsil shilrl hsilrl sihlrl ishlrl hislrl ihslrl shlirl hslirl slhirl lshirl hlsirl lhsirl silhrl islhrl slihrl lsihrl ilshrl lishrl hilsrl ihlsrl hlisrl lhisrl ilhsrl lihsrl srilhl rsilhl sirlhl isrlhl rislhl irslhl srlihl rslihl slrihl lsrihl rlsihl lrsihl silrhl islrhl slirhl lsirhl ilsrhl lisrhl rilshl irlshl rlishl lrishl ilrshl lirshl hrilsl rhilsl hirlsl ihrlsl rihlsl irhlsl hrlisl rhlisl hlrisl lhrisl rlhisl lrhisl hilrsl ihlrsl hlirsl lhirsl ilhrsl lihrsl rilhsl irlhsl rlihsl lrihsl ilrhsl lirhsl shrill hsrill srhill rshill hrsill rhsill shirll hsirll sihrll ishrll hisrll ihsrll srihll rsihll sirhll isrhll rishll irshll hrisll rhisll hirsll ihrsll rihsll irhsll shrlil hsrlil srhlil rshlil hrslil rhslil shlril hslril slhril lshril hlsril lhsril srlhil rslhil slrhil lsrhil rlshil lrshil hrlsil rhlsil hlrsil lhrsil rlhsil lrhsil shilrl hsilrl sihlrl ishlrl hislrl ihslrl shlirl hslirl slhirl lshirl hlsirl lhsirl silhrl islhrl slihrl lsihrl ilshrl lishrl hilsrl ihlsrl hlisrl lhisrl ilhsrl lihsrl srilhl rsilhl sirlhl isrlhl rislhl irslhl srlihl rslihl slrihl lsrihl rlsihl lrsihl silrhl islrhl slirhl lsirhl ilsrhl lisrhl rilshl irlshl rlishl lrishl ilrshl lirshl hrilsl rhilsl hirlsl ihrlsl rihlsl irhlsl hrlisl rhlisl hlrisl lhrisl rlhisl lrhisl hilrsl ihlrsl hlirsl lhirsl ilhrsl lihrsl rilhsl irlhsl rlihsl lrihsl ilrhsl lirhsl shrlli hsrlli srhlli rshlli hrslli rhslli shlrli hslrli slhrli lshrli hlsrli lhsrli srlhli rslhli slrhli lsrhli rlshli lrshli hrlsli rhlsli hlrsli lhrsli rlhsli lrhsli shrlli hsrlli srhlli rshlli hrslli rhslli shlrli hslrli slhrli lshrli hlsrli lhsrli srlhli rslhli slrhli lsrhli rlshli lrshli hrlsli rhlsli hlrsli lhrsli rlhsli lrhsli shllri hsllri slhlri lshlri hlslri lhslri shllri hsllri slhlri lshlri hlslri lhslri sllhri lslhri sllhri lslhri llshri llshri hllsri lhlsri hllsri lhlsri llhsri llhsri srllhi rsllhi slrlhi lsrlhi rlslhi lrslhi srllhi rsllhi slrlhi lsrlhi rlslhi lrslhi sllrhi lslrhi sllrhi lslrhi llsrhi llsrhi rllshi lrlshi rllshi lrlshi llrshi llrshi hrllsi rhllsi hlrlsi lhrlsi rlhlsi lrhlsi hrllsi rhllsi hlrlsi lhrlsi rlhlsi lrhlsi hllrsi lhlrsi hllrsi lhlrsi llhrsi llhrsi rllhsi lrlhsi rllhsi lrlhsi llrhsi llrhsi shillr hsillr sihllr ishllr hisllr ihsllr shlilr hslilr slhilr lshilr hlsilr lhsilr silhlr islhlr slihlr lsihlr ilshlr lishlr hilslr ihlslr hlislr lhislr ilhslr lihslr shillr hsillr sihllr ishllr hisllr ihsllr shlilr hslilr slhilr lshilr hlsilr lhsilr silhlr islhlr slihlr lsihlr ilshlr lishlr hilslr ihlslr hlislr lhislr ilhslr lihslr shllir hsllir slhlir lshlir hlslir lhslir shllir hsllir slhlir lshlir hlslir lhslir sllhir lslhir sllhir lslhir llshir llshir hllsir lhlsir hllsir lhlsir llhsir llhsir sillhr isllhr slilhr lsilhr ilslhr lislhr sillhr isllhr slilhr lsilhr ilslhr lislhr sllihr lslihr sllihr lslihr llsihr llsihr illshr lilshr illshr lilshr llishr llishr hillsr ihllsr hlilsr lhilsr ilhlsr lihlsr hillsr ihllsr hlilsr lhilsr ilhlsr lihlsr hllisr lhlisr hllisr lhlisr llhisr llhisr illhsr lilhsr illhsr lilhsr llihsr llihsr srillh rsillh sirllh isrllh risllh irsllh srlilh rslilh slrilh lsrilh rlsilh lrsilh silrlh islrlh slirlh lsirlh ilsrlh lisrlh rilslh irlslh rlislh lrislh ilrslh lirslh srillh rsillh sirllh isrllh risllh irsllh srlilh rslilh slrilh lsrilh rlsilh lrsilh silrlh islrlh slirlh lsirlh ilsrlh lisrlh rilslh irlslh rlislh lrislh ilrslh lirslh srllih rsllih slrlih lsrlih rlslih lrslih srllih rsllih slrlih lsrlih rlslih lrslih sllrih lslrih sllrih lslrih llsrih llsrih rllsih lrlsih rllsih lrlsih llrsih llrsih sillrh isllrh slilrh lsilrh ilslrh lislrh sillrh isllrh slilrh lsilrh ilslrh lislrh sllirh lslirh sllirh lslirh llsirh llsirh illsrh lilsrh illsrh lilsrh llisrh llisrh rillsh irllsh rlilsh lrilsh ilrlsh lirlsh rillsh irllsh rlilsh lrilsh ilrlsh lirlsh rllish lrlish rllish lrlish llrish llrish illrsh lilrsh illrsh lilrsh llirsh llirsh hrills rhills hirlls ihrlls rihlls irhlls hrlils rhlils hlrils lhrils rlhils lrhils hilrls ihlrls hlirls lhirls ilhrls lihrls rilhls irlhls rlihls lrihls ilrhls lirhls hrills rhills hirlls ihrlls rihlls irhlls hrlils rhlils hlrils lhrils rlhils lrhils hilrls ihlrls hlirls lhirls ilhrls lihrls rilhls irlhls rlihls lrihls ilrhls lirhls hrllis rhllis hlrlis lhrlis rlhlis lrhlis hrllis rhllis hlrlis lhrlis rlhlis lrhlis hllris lhlris hllris lhlris llhris llhris rllhis lrlhis rllhis lrlhis llrhis llrhis hillrs ihllrs hlilrs lhilrs ilhlrs lihlrs hillrs ihllrs hlilrs lhilrs ilhlrs lihlrs hllirs lhlirs hllirs lhlirs llhirs llhirs illhrs lilhrs illhrs lilhrs llihrs llihrs rillhs irllhs rlilhs lrilhs ilrlhs lirlhs rillhs irllhs rlilhs lrilhs ilrlhs lirlhs rllihs lrlihs rllihs lrlihs llrihs llrihs illrhs lilrhs illrhs lilrhs llirhs llirhs
Note: these 'words' (valid or invalid) are all the permutations of the word shrill. These words are obtained by scrambling the letters in shrill.