naches anches ncahes cnahes acnhes canhes nahces anhces nhaces hnaces ahnces hances nchaes cnhaes nhcaes hncaes chnaes hcnaes achnes cahnes ahcnes hacnes chanes hcanes nacehs ancehs ncaehs cnaehs acnehs canehs naechs anechs neachs enachs aenchs eanchs nceahs cneahs necahs encahs cenahs ecnahs acenhs caenhs aecnhs eacnhs ceanhs ecanhs nahecs anhecs nhaecs hnaecs ahnecs hanecs naehcs anehcs neahcs enahcs aenhcs eanhcs nheacs hneacs nehacs enhacs henacs ehnacs ahencs haencs aehncs eahncs heancs ehancs ncheas cnheas nhceas hnceas chneas hcneas ncehas cnehas nechas enchas cenhas ecnhas nhecas hnecas nehcas enhcas hencas ehncas chenas hcenas cehnas echnas hecnas ehcnas achens cahens ahcens hacens chaens hcaens acehns caehns aechns eachns ceahns ecahns ahecns haecns aehcns eahcns heacns ehacns cheans hceans cehans echans hecans ehcans nachse anchse ncahse cnahse acnhse canhse nahcse anhcse nhacse hnacse ahncse hancse nchase cnhase nhcase hncase chnase hcnase achnse cahnse ahcnse hacnse chanse hcanse nacshe ancshe ncashe cnashe acnshe canshe nasche ansche nsache snache asnche sanche ncsahe cnsahe nscahe sncahe csnahe scnahe acsnhe casnhe ascnhe sacnhe csanhe scanhe nahsce anhsce nhasce hnasce ahnsce hansce nashce anshce nsahce snahce asnhce sanhce nhsace hnsace nshace snhace hsnace shnace ahsnce hasnce ashnce sahnce hsance shance nchsae cnhsae nhcsae hncsae chnsae hcnsae ncshae cnshae nschae snchae csnhae scnhae nhscae hnscae nshcae snhcae hsncae shncae chsnae hcsnae cshnae schnae hscnae shcnae achsne cahsne ahcsne hacsne chasne hcasne acshne cashne aschne sachne csahne scahne ahscne hascne ashcne sahcne hsacne shacne chsane hcsane cshane schane hscane shcane nacesh ancesh ncaesh cnaesh acnesh canesh naecsh anecsh neacsh enacsh aencsh eancsh nceash cneash necash encash cenash ecnash acensh caensh aecnsh eacnsh ceansh ecansh nacseh ancseh ncaseh cnaseh acnseh canseh nasceh ansceh nsaceh snaceh asnceh sanceh ncsaeh cnsaeh nscaeh sncaeh csnaeh scnaeh acsneh casneh ascneh sacneh csaneh scaneh naesch anesch neasch enasch aensch eansch nasech ansech nsaech snaech asnech sanech nesach ensach nseach sneach esnach senach aesnch easnch asench saench esanch seanch ncesah cnesah necsah encsah censah ecnsah ncseah cnseah nsceah snceah csneah scneah nescah enscah nsecah snecah esncah sencah cesnah ecsnah csenah scenah escnah secnah acesnh caesnh aecsnh eacsnh ceasnh ecasnh acsenh casenh ascenh sacenh csaenh scaenh aescnh eascnh asecnh saecnh esacnh seacnh cesanh ecsanh cseanh sceanh escanh secanh nahesc anhesc nhaesc hnaesc ahnesc hanesc naehsc anehsc neahsc enahsc aenhsc eanhsc nheasc hneasc nehasc enhasc henasc ehnasc ahensc haensc aehnsc eahnsc heansc ehansc nahsec anhsec nhasec hnasec ahnsec hansec nashec anshec nsahec snahec asnhec sanhec nhsaec hnsaec nshaec snhaec hsnaec shnaec ahsnec hasnec ashnec sahnec hsanec shanec naeshc aneshc neashc enashc aenshc eanshc nasehc ansehc nsaehc snaehc asnehc sanehc nesahc ensahc nseahc sneahc esnahc senahc aesnhc easnhc asenhc saenhc esanhc seanhc nhesac hnesac nehsac enhsac hensac ehnsac nhseac hnseac nsheac snheac hsneac shneac neshac enshac nsehac snehac esnhac senhac hesnac ehsnac hsenac shenac eshnac sehnac ahesnc haesnc aehsnc eahsnc heasnc ehasnc ahsenc hasenc ashenc sahenc hsaenc shaenc aeshnc eashnc asehnc saehnc esahnc seahnc hesanc ehsanc hseanc sheanc eshanc sehanc nchesa cnhesa nhcesa hncesa chnesa hcnesa ncehsa cnehsa nechsa enchsa cenhsa ecnhsa nhecsa hnecsa nehcsa enhcsa hencsa ehncsa chensa hcensa cehnsa echnsa hecnsa ehcnsa nchsea cnhsea nhcsea hncsea chnsea hcnsea ncshea cnshea nschea snchea csnhea scnhea nhscea hnscea nshcea snhcea hsncea shncea chsnea hcsnea cshnea schnea hscnea shcnea ncesha cnesha necsha encsha censha ecnsha ncseha cnseha nsceha snceha csneha scneha nescha enscha nsecha snecha esncha sencha cesnha ecsnha csenha scenha escnha secnha nhesca hnesca nehsca enhsca hensca ehnsca nhseca hnseca nsheca snheca hsneca shneca neshca enshca nsehca snehca esnhca senhca hesnca ehsnca hsenca shenca eshnca sehnca chesna hcesna cehsna echsna hecsna ehcsna chsena hcsena cshena schena hscena shcena ceshna ecshna csehna scehna eschna sechna hescna ehscna hsecna shecna eshcna sehcna achesn cahesn ahcesn hacesn chaesn hcaesn acehsn caehsn aechsn eachsn ceahsn ecahsn ahecsn haecsn aehcsn eahcsn heacsn ehacsn cheasn hceasn cehasn echasn hecasn ehcasn achsen cahsen ahcsen hacsen chasen hcasen acshen cashen aschen sachen csahen scahen ahscen hascen ashcen sahcen hsacen shacen chsaen hcsaen cshaen schaen hscaen shcaen aceshn caeshn aecshn eacshn ceashn ecashn acsehn casehn ascehn sacehn csaehn scaehn aeschn easchn asechn saechn esachn seachn cesahn ecsahn cseahn sceahn escahn secahn ahescn haescn aehscn eahscn heascn ehascn ahsecn hasecn ashecn sahecn hsaecn shaecn aeshcn eashcn asehcn saehcn esahcn seahcn hesacn ehsacn hseacn sheacn eshacn sehacn chesan hcesan cehsan echsan hecsan ehcsan chsean hcsean cshean schean hscean shcean ceshan ecshan csehan scehan eschan sechan hescan ehscan hsecan shecan eshcan sehcan
Note: these 'words' (valid or invalid) are all the permutations of the word naches. These words are obtained by scrambling the letters in naches.