nachas anchas ncahas cnahas acnhas canhas nahcas anhcas nhacas hnacas ahncas hancas nchaas cnhaas nhcaas hncaas chnaas hcnaas achnas cahnas ahcnas hacnas chanas hcanas nacahs ancahs ncaahs cnaahs acnahs canahs naachs anachs naachs anachs aanchs aanchs ncaahs cnaahs nacahs ancahs canahs acnahs acanhs caanhs aacnhs aacnhs caanhs acanhs nahacs anhacs nhaacs hnaacs ahnacs hanacs naahcs anahcs naahcs anahcs aanhcs aanhcs nhaacs hnaacs nahacs anhacs hanacs ahnacs ahancs haancs aahncs aahncs haancs ahancs nchaas cnhaas nhcaas hncaas chnaas hcnaas ncahas cnahas nachas anchas canhas acnhas nhacas hnacas nahcas anhcas hancas ahncas chanas hcanas cahnas achnas hacnas ahcnas achans cahans ahcans hacans chaans hcaans acahns caahns aachns aachns caahns acahns ahacns haacns aahcns aahcns haacns ahacns chaans hcaans cahans achans hacans ahcans nachsa anchsa ncahsa cnahsa acnhsa canhsa nahcsa anhcsa nhacsa hnacsa ahncsa hancsa nchasa cnhasa nhcasa hncasa chnasa hcnasa achnsa cahnsa ahcnsa hacnsa chansa hcansa nacsha ancsha ncasha cnasha acnsha cansha nascha anscha nsacha snacha asncha sancha ncsaha cnsaha nscaha sncaha csnaha scnaha acsnha casnha ascnha sacnha csanha scanha nahsca anhsca nhasca hnasca ahnsca hansca nashca anshca nsahca snahca asnhca sanhca nhsaca hnsaca nshaca snhaca hsnaca shnaca ahsnca hasnca ashnca sahnca hsanca shanca nchsaa cnhsaa nhcsaa hncsaa chnsaa hcnsaa ncshaa cnshaa nschaa snchaa csnhaa scnhaa nhscaa hnscaa nshcaa snhcaa hsncaa shncaa chsnaa hcsnaa cshnaa schnaa hscnaa shcnaa achsna cahsna ahcsna hacsna chasna hcasna acshna cashna aschna sachna csahna scahna ahscna hascna ashcna sahcna hsacna shacna chsana hcsana cshana schana hscana shcana nacash ancash ncaash cnaash acnash canash naacsh anacsh naacsh anacsh aancsh aancsh ncaash cnaash nacash ancash canash acnash acansh caansh aacnsh aacnsh caansh acansh nacsah ancsah ncasah cnasah acnsah cansah nascah anscah nsacah snacah asncah sancah ncsaah cnsaah nscaah sncaah csnaah scnaah acsnah casnah ascnah sacnah csanah scanah naasch anasch naasch anasch aansch aansch nasach ansach nsaach snaach asnach sanach nasach ansach nsaach snaach asnach sanach aasnch aasnch asanch saanch asanch saanch ncasah cnasah nacsah ancsah cansah acnsah ncsaah cnsaah nscaah sncaah csnaah scnaah nascah anscah nsacah snacah asncah sancah casnah acsnah csanah scanah ascnah sacnah acasnh caasnh aacsnh aacsnh caasnh acasnh acsanh casanh ascanh sacanh csaanh scaanh aascnh aascnh asacnh saacnh asacnh saacnh casanh acsanh csaanh scaanh ascanh sacanh nahasc anhasc nhaasc hnaasc ahnasc hanasc naahsc anahsc naahsc anahsc aanhsc aanhsc nhaasc hnaasc nahasc anhasc hanasc ahnasc ahansc haansc aahnsc aahnsc haansc ahansc nahsac anhsac nhasac hnasac ahnsac hansac nashac anshac nsahac snahac asnhac sanhac nhsaac hnsaac nshaac snhaac hsnaac shnaac ahsnac hasnac ashnac sahnac hsanac shanac naashc anashc naashc anashc aanshc aanshc nasahc ansahc nsaahc snaahc asnahc sanahc nasahc ansahc nsaahc snaahc asnahc sanahc aasnhc aasnhc asanhc saanhc asanhc saanhc nhasac hnasac nahsac anhsac hansac ahnsac nhsaac hnsaac nshaac snhaac hsnaac shnaac nashac anshac nsahac snahac asnhac sanhac hasnac ahsnac hsanac shanac ashnac sahnac ahasnc haasnc aahsnc aahsnc haasnc ahasnc ahsanc hasanc ashanc sahanc hsaanc shaanc aashnc aashnc asahnc saahnc asahnc saahnc hasanc ahsanc hsaanc shaanc ashanc sahanc nchasa cnhasa nhcasa hncasa chnasa hcnasa ncahsa cnahsa nachsa anchsa canhsa acnhsa nhacsa hnacsa nahcsa anhcsa hancsa ahncsa chansa hcansa cahnsa achnsa hacnsa ahcnsa nchsaa cnhsaa nhcsaa hncsaa chnsaa hcnsaa ncshaa cnshaa nschaa snchaa csnhaa scnhaa nhscaa hnscaa nshcaa snhcaa hsncaa shncaa chsnaa hcsnaa cshnaa schnaa hscnaa shcnaa ncasha cnasha nacsha ancsha cansha acnsha ncsaha cnsaha nscaha sncaha csnaha scnaha nascha anscha nsacha snacha asncha sancha casnha acsnha csanha scanha ascnha sacnha nhasca hnasca nahsca anhsca hansca ahnsca nhsaca hnsaca nshaca snhaca hsnaca shnaca nashca anshca nsahca snahca asnhca sanhca hasnca ahsnca hsanca shanca ashnca sahnca chasna hcasna cahsna achsna hacsna ahcsna chsana hcsana cshana schana hscana shcana cashna acshna csahna scahna aschna sachna hascna ahscna hsacna shacna ashcna sahcna achasn cahasn ahcasn hacasn chaasn hcaasn acahsn caahsn aachsn aachsn caahsn acahsn ahacsn haacsn aahcsn aahcsn haacsn ahacsn chaasn hcaasn cahasn achasn hacasn ahcasn achsan cahsan ahcsan hacsan chasan hcasan acshan cashan aschan sachan csahan scahan ahscan hascan ashcan sahcan hsacan shacan chsaan hcsaan cshaan schaan hscaan shcaan acashn caashn aacshn aacshn caashn acashn acsahn casahn ascahn sacahn csaahn scaahn aaschn aaschn asachn saachn asachn saachn casahn acsahn csaahn scaahn ascahn sacahn ahascn haascn aahscn aahscn haascn ahascn ahsacn hasacn ashacn sahacn hsaacn shaacn aashcn aashcn asahcn saahcn asahcn saahcn hasacn ahsacn hsaacn shaacn ashacn sahacn chasan hcasan cahsan achsan hacsan ahcsan chsaan hcsaan cshaan schaan hscaan shcaan cashan acshan csahan scahan aschan sachan hascan ahscan hsacan shacan ashcan sahcan
Note: these 'words' (valid or invalid) are all the permutations of the word nachas. These words are obtained by scrambling the letters in nachas.