shrank hsrank srhank rshank hrsank rhsank sharnk hsarnk sahrnk ashrnk hasrnk ahsrnk srahnk rsahnk sarhnk asrhnk rashnk arshnk hrasnk rhasnk harsnk ahrsnk rahsnk arhsnk shrnak hsrnak srhnak rshnak hrsnak rhsnak shnrak hsnrak snhrak nshrak hnsrak nhsrak srnhak rsnhak snrhak nsrhak rnshak nrshak hrnsak rhnsak hnrsak nhrsak rnhsak nrhsak shanrk hsanrk sahnrk ashnrk hasnrk ahsnrk shnark hsnark snhark nshark hnsark nhsark sanhrk asnhrk snahrk nsahrk anshrk nashrk hansrk ahnsrk hnasrk nhasrk anhsrk nahsrk sranhk rsanhk sarnhk asrnhk rasnhk arsnhk srnahk rsnahk snrahk nsrahk rnsahk nrsahk sanrhk asnrhk snarhk nsarhk ansrhk nasrhk ranshk arnshk rnashk nrashk anrshk narshk hransk rhansk harnsk ahrnsk rahnsk arhnsk hrnask rhnask hnrask nhrask rnhask nrhask hanrsk ahnrsk hnarsk nharsk anhrsk nahrsk ranhsk arnhsk rnahsk nrahsk anrhsk narhsk shrakn hsrakn srhakn rshakn hrsakn rhsakn sharkn hsarkn sahrkn ashrkn hasrkn ahsrkn srahkn rsahkn sarhkn asrhkn rashkn arshkn hraskn rhaskn harskn ahrskn rahskn arhskn shrkan hsrkan srhkan rshkan hrskan rhskan shkran hskran skhran kshran hksran khsran srkhan rskhan skrhan ksrhan rkshan krshan hrksan rhksan hkrsan khrsan rkhsan krhsan shakrn hsakrn sahkrn ashkrn haskrn ahskrn shkarn hskarn skharn ksharn hksarn khsarn sakhrn askhrn skahrn ksahrn akshrn kashrn haksrn ahksrn hkasrn khasrn akhsrn kahsrn srakhn rsakhn sarkhn asrkhn raskhn arskhn srkahn rskahn skrahn ksrahn rksahn krsahn sakrhn askrhn skarhn ksarhn aksrhn kasrhn rakshn arkshn rkashn krashn akrshn karshn hraksn rhaksn harksn ahrksn rahksn arhksn hrkasn rhkasn hkrasn khrasn rkhasn krhasn hakrsn ahkrsn hkarsn kharsn akhrsn kahrsn rakhsn arkhsn rkahsn krahsn akrhsn karhsn shrnka hsrnka srhnka rshnka hrsnka rhsnka shnrka hsnrka snhrka nshrka hnsrka nhsrka srnhka rsnhka snrhka nsrhka rnshka nrshka hrnska rhnska hnrska nhrska rnhska nrhska shrkna hsrkna srhkna rshkna hrskna rhskna shkrna hskrna skhrna kshrna hksrna khsrna srkhna rskhna skrhna ksrhna rkshna krshna hrksna rhksna hkrsna khrsna rkhsna krhsna shnkra hsnkra snhkra nshkra hnskra nhskra shknra hsknra skhnra kshnra hksnra khsnra snkhra nskhra sknhra ksnhra nkshra knshra hnksra nhksra hknsra khnsra nkhsra knhsra srnkha rsnkha snrkha nsrkha rnskha nrskha srknha rsknha skrnha ksrnha rksnha krsnha snkrha nskrha sknrha ksnrha nksrha knsrha rnksha nrksha rknsha krnsha nkrsha knrsha hrnksa rhnksa hnrksa nhrksa rnhksa nrhksa hrknsa rhknsa hkrnsa khrnsa rkhnsa krhnsa hnkrsa nhkrsa hknrsa khnrsa nkhrsa knhrsa rnkhsa nrkhsa rknhsa krnhsa nkrhsa knrhsa shankr hsankr sahnkr ashnkr hasnkr ahsnkr shnakr hsnakr snhakr nshakr hnsakr nhsakr sanhkr asnhkr snahkr nsahkr anshkr nashkr hanskr ahnskr hnaskr nhaskr anhskr nahskr shaknr hsaknr sahknr ashknr hasknr ahsknr shkanr hskanr skhanr kshanr hksanr khsanr sakhnr askhnr skahnr ksahnr akshnr kashnr haksnr ahksnr hkasnr khasnr akhsnr kahsnr shnkar hsnkar snhkar nshkar hnskar nhskar shknar hsknar skhnar kshnar hksnar khsnar snkhar nskhar sknhar ksnhar nkshar knshar hnksar nhksar hknsar khnsar nkhsar knhsar sankhr asnkhr snakhr nsakhr anskhr naskhr saknhr asknhr skanhr ksanhr aksnhr kasnhr snkahr nskahr sknahr ksnahr nksahr knsahr ankshr nakshr aknshr kanshr nkashr knashr hanksr ahnksr hnaksr nhaksr anhksr nahksr haknsr ahknsr hkansr khansr akhnsr kahnsr hnkasr nhkasr hknasr khnasr nkhasr knhasr ankhsr nakhsr aknhsr kanhsr nkahsr knahsr srankh rsankh sarnkh asrnkh rasnkh arsnkh srnakh rsnakh snrakh nsrakh rnsakh nrsakh sanrkh asnrkh snarkh nsarkh ansrkh nasrkh ranskh arnskh rnaskh nraskh anrskh narskh sraknh rsaknh sarknh asrknh rasknh arsknh srkanh rskanh skranh ksranh rksanh krsanh sakrnh askrnh skarnh ksarnh aksrnh kasrnh raksnh arksnh rkasnh krasnh akrsnh karsnh srnkah rsnkah snrkah nsrkah rnskah nrskah srknah rsknah skrnah ksrnah rksnah krsnah snkrah nskrah sknrah ksnrah nksrah knsrah rnksah nrksah rknsah krnsah nkrsah knrsah sankrh asnkrh snakrh nsakrh anskrh naskrh saknrh asknrh skanrh ksanrh aksnrh kasnrh snkarh nskarh sknarh ksnarh nksarh knsarh anksrh naksrh aknsrh kansrh nkasrh knasrh ranksh arnksh rnaksh nraksh anrksh narksh raknsh arknsh rkansh kransh akrnsh karnsh rnkash nrkash rknash krnash nkrash knrash ankrsh nakrsh aknrsh kanrsh nkarsh knarsh hranks rhanks harnks ahrnks rahnks arhnks hrnaks rhnaks hnraks nhraks rnhaks nrhaks hanrks ahnrks hnarks nharks anhrks nahrks ranhks arnhks rnahks nrahks anrhks narhks hrakns rhakns harkns ahrkns rahkns arhkns hrkans rhkans hkrans khrans rkhans krhans hakrns ahkrns hkarns kharns akhrns kahrns rakhns arkhns rkahns krahns akrhns karhns hrnkas rhnkas hnrkas nhrkas rnhkas nrhkas hrknas rhknas hkrnas khrnas rkhnas krhnas hnkras nhkras hknras khnras nkhras knhras rnkhas nrkhas rknhas krnhas nkrhas knrhas hankrs ahnkrs hnakrs nhakrs anhkrs nahkrs haknrs ahknrs hkanrs khanrs akhnrs kahnrs hnkars nhkars hknars khnars nkhars knhars ankhrs nakhrs aknhrs kanhrs nkahrs knahrs rankhs arnkhs rnakhs nrakhs anrkhs narkhs raknhs arknhs rkanhs kranhs akrnhs karnhs rnkahs nrkahs rknahs krnahs nkrahs knrahs ankrhs nakrhs aknrhs kanrhs nkarhs knarhs
Note: these 'words' (valid or invalid) are all the permutations of the word shrank. These words are obtained by scrambling the letters in shrank.