garish agrish graish rgaish argish ragish gairsh agirsh giarsh igarsh aigrsh iagrsh griash rgiash girash igrash rigash irgash arigsh raigsh airgsh iargsh riagsh iragsh garsih agrsih grasih rgasih argsih ragsih gasrih agsrih gsarih sgarih asgrih sagrih grsaih rgsaih gsraih sgraih rsgaih srgaih arsgih rasgih asrgih sargih rsagih sragih gaisrh agisrh giasrh igasrh aigsrh iagsrh gasirh agsirh gsairh sgairh asgirh sagirh gisarh igsarh gsiarh sgiarh isgarh sigarh aisgrh iasgrh asigrh saigrh isagrh siagrh grisah rgisah girsah igrsah rigsah irgsah grsiah rgsiah gsriah sgriah rsgiah srgiah gisrah igsrah gsirah sgirah isgrah sigrah risgah irsgah rsigah srigah isrgah sirgah arisgh raisgh airsgh iarsgh riasgh irasgh arsigh rasigh asrigh sarigh rsaigh sraigh aisrgh iasrgh asirgh sairgh isargh siargh risagh irsagh rsiagh sriagh isragh siragh garihs agrihs graihs rgaihs argihs ragihs gairhs agirhs giarhs igarhs aigrhs iagrhs griahs rgiahs girahs igrahs rigahs irgahs arighs raighs airghs iarghs riaghs iraghs garhis agrhis grahis rgahis arghis raghis gahris aghris gharis hgaris ahgris hagris grhais rghais ghrais hgrais rhgais hrgais arhgis rahgis ahrgis hargis rhagis hragis gaihrs agihrs giahrs igahrs aighrs iaghrs gahirs aghirs ghairs hgairs ahgirs hagirs gihars ighars ghiars hgiars ihgars higars aihgrs iahgrs ahigrs haigrs ihagrs hiagrs grihas rgihas girhas igrhas righas irghas grhias rghias ghrias hgrias rhgias hrgias gihras ighras ghiras hgiras ihgras higras rihgas irhgas rhigas hrigas ihrgas hirgas arihgs raihgs airhgs iarhgs riahgs irahgs arhigs rahigs ahrigs harigs rhaigs hraigs aihrgs iahrgs ahirgs hairgs ihargs hiargs rihags irhags rhiags hriags ihrags hirags garshi agrshi grashi rgashi argshi ragshi gasrhi agsrhi gsarhi sgarhi asgrhi sagrhi grsahi rgsahi gsrahi sgrahi rsgahi srgahi arsghi rasghi asrghi sarghi rsaghi sraghi garhsi agrhsi grahsi rgahsi arghsi raghsi gahrsi aghrsi gharsi hgarsi ahgrsi hagrsi grhasi rghasi ghrasi hgrasi rhgasi hrgasi arhgsi rahgsi ahrgsi hargsi rhagsi hragsi gashri agshri gsahri sgahri asghri saghri gahsri aghsri ghasri hgasri ahgsri hagsri gshari sghari ghsari hgsari shgari hsgari ashgri sahgri ahsgri hasgri shagri hsagri grshai rgshai gsrhai sgrhai rsghai srghai grhsai rghsai ghrsai hgrsai rhgsai hrgsai gshrai sghrai ghsrai hgsrai shgrai hsgrai rshgai srhgai rhsgai hrsgai shrgai hsrgai arshgi rashgi asrhgi sarhgi rsahgi srahgi arhsgi rahsgi ahrsgi harsgi rhasgi hrasgi ashrgi sahrgi ahsrgi hasrgi shargi hsargi rshagi srhagi rhsagi hrsagi shragi hsragi gaishr agishr giashr igashr aigshr iagshr gasihr agsihr gsaihr sgaihr asgihr sagihr gisahr igsahr gsiahr sgiahr isgahr sigahr aisghr iasghr asighr saighr isaghr siaghr gaihsr agihsr giahsr igahsr aighsr iaghsr gahisr aghisr ghaisr hgaisr ahgisr hagisr gihasr ighasr ghiasr hgiasr ihgasr higasr aihgsr iahgsr ahigsr haigsr ihagsr hiagsr gashir agshir gsahir sgahir asghir saghir gahsir aghsir ghasir hgasir ahgsir hagsir gshair sghair ghsair hgsair shgair hsgair ashgir sahgir ahsgir hasgir shagir hsagir gishar igshar gsihar sgihar isghar sighar gihsar ighsar ghisar hgisar ihgsar higsar gshiar sghiar ghsiar hgsiar shgiar hsgiar ishgar sihgar ihsgar hisgar shigar hsigar aishgr iashgr asihgr saihgr isahgr siahgr aihsgr iahsgr ahisgr haisgr ihasgr hiasgr ashigr sahigr ahsigr hasigr shaigr hsaigr ishagr sihagr ihsagr hisagr shiagr hsiagr grisha rgisha girsha igrsha rigsha irgsha grsiha rgsiha gsriha sgriha rsgiha srgiha gisrha igsrha gsirha sgirha isgrha sigrha risgha irsgha rsigha srigha isrgha sirgha grihsa rgihsa girhsa igrhsa righsa irghsa grhisa rghisa ghrisa hgrisa rhgisa hrgisa gihrsa ighrsa ghirsa hgirsa ihgrsa higrsa rihgsa irhgsa rhigsa hrigsa ihrgsa hirgsa grshia rgshia gsrhia sgrhia rsghia srghia grhsia rghsia ghrsia hgrsia rhgsia hrgsia gshria sghria ghsria hgsria shgria hsgria rshgia srhgia rhsgia hrsgia shrgia hsrgia gishra igshra gsihra sgihra isghra sighra gihsra ighsra ghisra hgisra ihgsra higsra gshira sghira ghsira hgsira shgira hsgira ishgra sihgra ihsgra hisgra shigra hsigra rishga irshga rsihga srihga isrhga sirhga rihsga irhsga rhisga hrisga ihrsga hirsga rshiga srhiga rhsiga hrsiga shriga hsriga ishrga sihrga ihsrga hisrga shirga hsirga arishg raishg airshg iarshg riashg irashg arsihg rasihg asrihg sarihg rsaihg sraihg aisrhg iasrhg asirhg sairhg isarhg siarhg risahg irsahg rsiahg sriahg israhg sirahg arihsg raihsg airhsg iarhsg riahsg irahsg arhisg rahisg ahrisg harisg rhaisg hraisg aihrsg iahrsg ahirsg hairsg iharsg hiarsg rihasg irhasg rhiasg hriasg ihrasg hirasg arshig rashig asrhig sarhig rsahig srahig arhsig rahsig ahrsig harsig rhasig hrasig ashrig sahrig ahsrig hasrig sharig hsarig rshaig srhaig rhsaig hrsaig shraig hsraig aishrg iashrg asihrg saihrg isahrg siahrg aihsrg iahsrg ahisrg haisrg ihasrg hiasrg ashirg sahirg ahsirg hasirg shairg hsairg isharg siharg ihsarg hisarg shiarg hsiarg rishag irshag rsihag srihag isrhag sirhag rihsag irhsag rhisag hrisag ihrsag hirsag rshiag srhiag rhsiag hrsiag shriag hsriag ishrag sihrag ihsrag hisrag shirag hsirag
Note: these 'words' (valid or invalid) are all the permutations of the word garish. These words are obtained by scrambling the letters in garish.