grinch rginch girnch igrnch rignch irgnch grnich rgnich gnrich ngrich rngich nrgich ginrch ignrch gnirch ngirch ingrch nigrch ringch irngch rnigch nrigch inrgch nirgch gricnh rgicnh gircnh igrcnh rigcnh irgcnh grcinh rgcinh gcrinh cgrinh rcginh crginh gicrnh igcrnh gcirnh cgirnh icgrnh cigrnh ricgnh ircgnh rcignh crignh icrgnh cirgnh grncih rgncih gnrcih ngrcih rngcih nrgcih grcnih rgcnih gcrnih cgrnih rcgnih crgnih gncrih ngcrih gcnrih cgnrih ncgrih cngrih rncgih nrcgih rcngih crngih ncrgih cnrgih gincrh igncrh gnicrh ngicrh ingcrh nigcrh gicnrh igcnrh gcinrh cginrh icgnrh cignrh gncirh ngcirh gcnirh cgnirh ncgirh cngirh incgrh nicgrh icngrh cingrh ncigrh cnigrh rincgh irncgh rnicgh nricgh inrcgh nircgh ricngh ircngh rcingh cringh icrngh cirngh rncigh nrcigh rcnigh crnigh ncrigh cnrigh incrgh nicrgh icnrgh cinrgh ncirgh cnirgh grinhc rginhc girnhc igrnhc rignhc irgnhc grnihc rgnihc gnrihc ngrihc rngihc nrgihc ginrhc ignrhc gnirhc ngirhc ingrhc nigrhc ringhc irnghc rnighc nrighc inrghc nirghc grihnc rgihnc girhnc igrhnc righnc irghnc grhinc rghinc ghrinc hgrinc rhginc hrginc gihrnc ighrnc ghirnc hgirnc ihgrnc higrnc rihgnc irhgnc rhignc hrignc ihrgnc hirgnc grnhic rgnhic gnrhic ngrhic rnghic nrghic grhnic rghnic ghrnic hgrnic rhgnic hrgnic gnhric nghric ghnric hgnric nhgric hngric rnhgic nrhgic rhngic hrngic nhrgic hnrgic ginhrc ignhrc gnihrc ngihrc inghrc nighrc gihnrc ighnrc ghinrc hginrc ihgnrc hignrc gnhirc nghirc ghnirc hgnirc nhgirc hngirc inhgrc nihgrc ihngrc hingrc nhigrc hnigrc rinhgc irnhgc rnihgc nrihgc inrhgc nirhgc rihngc irhngc rhingc hringc ihrngc hirngc rnhigc nrhigc rhnigc hrnigc nhrigc hnrigc inhrgc nihrgc ihnrgc hinrgc nhirgc hnirgc grichn rgichn girchn igrchn rigchn irgchn grcihn rgcihn gcrihn cgrihn rcgihn crgihn gicrhn igcrhn gcirhn cgirhn icgrhn cigrhn ricghn ircghn rcighn crighn icrghn cirghn grihcn rgihcn girhcn igrhcn righcn irghcn grhicn rghicn ghricn hgricn rhgicn hrgicn gihrcn ighrcn ghircn hgircn ihgrcn higrcn rihgcn irhgcn rhigcn hrigcn ihrgcn hirgcn grchin rgchin gcrhin cgrhin rcghin crghin grhcin rghcin ghrcin hgrcin rhgcin hrgcin gchrin cghrin ghcrin hgcrin chgrin hcgrin rchgin crhgin rhcgin hrcgin chrgin hcrgin gichrn igchrn gcihrn cgihrn icghrn cighrn gihcrn ighcrn ghicrn hgicrn ihgcrn higcrn gchirn cghirn ghcirn hgcirn chgirn hcgirn ichgrn cihgrn ihcgrn hicgrn chigrn hcigrn richgn irchgn rcihgn crihgn icrhgn cirhgn rihcgn irhcgn rhicgn hricgn ihrcgn hircgn rchign crhign rhcign hrcign chrign hcrign ichrgn cihrgn ihcrgn hicrgn chirgn hcirgn grnchi rgnchi gnrchi ngrchi rngchi nrgchi grcnhi rgcnhi gcrnhi cgrnhi rcgnhi crgnhi gncrhi ngcrhi gcnrhi cgnrhi ncgrhi cngrhi rncghi nrcghi rcnghi crnghi ncrghi cnrghi grnhci rgnhci gnrhci ngrhci rnghci nrghci grhnci rghnci ghrnci hgrnci rhgnci hrgnci gnhrci nghrci ghnrci hgnrci nhgrci hngrci rnhgci nrhgci rhngci hrngci nhrgci hnrgci grchni rgchni gcrhni cgrhni rcghni crghni grhcni rghcni ghrcni hgrcni rhgcni hrgcni gchrni cghrni ghcrni hgcrni chgrni hcgrni rchgni crhgni rhcgni hrcgni chrgni hcrgni gnchri ngchri gcnhri cgnhri ncghri cnghri gnhcri nghcri ghncri hgncri nhgcri hngcri gchnri cghnri ghcnri hgcnri chgnri hcgnri nchgri cnhgri nhcgri hncgri chngri hcngri rnchgi nrchgi rcnhgi crnhgi ncrhgi cnrhgi rnhcgi nrhcgi rhncgi hrncgi nhrcgi hnrcgi rchngi crhngi rhcngi hrcngi chrngi hcrngi nchrgi cnhrgi nhcrgi hncrgi chnrgi hcnrgi ginchr ignchr gnichr ngichr ingchr nigchr gicnhr igcnhr gcinhr cginhr icgnhr cignhr gncihr ngcihr gcnihr cgnihr ncgihr cngihr incghr nicghr icnghr cinghr ncighr cnighr ginhcr ignhcr gnihcr ngihcr inghcr nighcr gihncr ighncr ghincr hgincr ihgncr higncr gnhicr nghicr ghnicr hgnicr nhgicr hngicr inhgcr nihgcr ihngcr hingcr nhigcr hnigcr gichnr igchnr gcihnr cgihnr icghnr cighnr gihcnr ighcnr ghicnr hgicnr ihgcnr higcnr gchinr cghinr ghcinr hgcinr chginr hcginr ichgnr cihgnr ihcgnr hicgnr chignr hcignr gnchir ngchir gcnhir cgnhir ncghir cnghir gnhcir nghcir ghncir hgncir nhgcir hngcir gchnir cghnir ghcnir hgcnir chgnir hcgnir nchgir cnhgir nhcgir hncgir chngir hcngir inchgr nichgr icnhgr cinhgr ncihgr cnihgr inhcgr nihcgr ihncgr hincgr nhicgr hnicgr ichngr cihngr ihcngr hicngr chingr hcingr nchigr cnhigr nhcigr hncigr chnigr hcnigr rinchg irnchg rnichg nrichg inrchg nirchg ricnhg ircnhg rcinhg crinhg icrnhg cirnhg rncihg nrcihg rcnihg crnihg ncrihg cnrihg incrhg nicrhg icnrhg cinrhg ncirhg cnirhg rinhcg irnhcg rnihcg nrihcg inrhcg nirhcg rihncg irhncg rhincg hrincg ihrncg hirncg rnhicg nrhicg rhnicg hrnicg nhricg hnricg inhrcg nihrcg ihnrcg hinrcg nhircg hnircg richng irchng rcihng crihng icrhng cirhng rihcng irhcng rhicng hricng ihrcng hircng rching crhing rhcing hrcing chring hcring ichrng cihrng ihcrng hicrng chirng hcirng rnchig nrchig rcnhig crnhig ncrhig cnrhig rnhcig nrhcig rhncig hrncig nhrcig hnrcig rchnig crhnig rhcnig hrcnig chrnig hcrnig nchrig cnhrig nhcrig hncrig chnrig hcnrig inchrg nichrg icnhrg cinhrg ncihrg cnihrg inhcrg nihcrg ihncrg hincrg nhicrg hnicrg ichnrg cihnrg ihcnrg hicnrg chinrg hcinrg nchirg cnhirg nhcirg hncirg chnirg hcnirg
Note: these 'words' (valid or invalid) are all the permutations of the word grinch. These words are obtained by scrambling the letters in grinch.