cachen acchen ccahen ccahen acchen cachen cahcen achcen chacen hcacen ahccen haccen cchaen cchaen chcaen hccaen chcaen hccaen achcen cahcen ahccen haccen chacen hcacen cacehn accehn ccaehn ccaehn accehn cacehn caechn acechn ceachn ecachn aecchn eacchn cceahn cceahn cecahn eccahn cecahn eccahn acechn caechn aecchn eacchn ceachn ecachn cahecn achecn chaecn hcaecn ahcecn hacecn caehcn acehcn ceahcn ecahcn aechcn eachcn cheacn hceacn cehacn echacn hecacn ehcacn aheccn haeccn aehccn eahccn heaccn ehaccn cchean cchean chcean hccean chcean hccean ccehan ccehan cechan ecchan cechan ecchan checan hcecan cehcan echcan heccan ehccan checan hcecan cehcan echcan heccan ehccan achecn cahecn ahcecn hacecn chaecn hcaecn acehcn caehcn aechcn eachcn ceahcn ecahcn aheccn haeccn aehccn eahccn heaccn ehaccn cheacn hceacn cehacn echacn hecacn ehcacn cachne acchne ccahne ccahne acchne cachne cahcne achcne chacne hcacne ahccne haccne cchane cchane chcane hccane chcane hccane achcne cahcne ahccne haccne chacne hcacne cacnhe accnhe ccanhe ccanhe accnhe cacnhe canche acnche cnache ncache ancche nacche ccnahe ccnahe cncahe nccahe cncahe nccahe acnche canche ancche nacche cnache ncache cahnce achnce chance hcance ahcnce hacnce canhce acnhce cnahce ncahce anchce nachce chnace hcnace cnhace nchace hncace nhcace ahncce hancce anhcce nahcce hnacce nhacce cchnae cchnae chcnae hccnae chcnae hccnae ccnhae ccnhae cnchae ncchae cnchae ncchae chncae hcncae cnhcae nchcae hnccae nhccae chncae hcncae cnhcae nchcae hnccae nhccae achnce cahnce ahcnce hacnce chance hcance acnhce canhce anchce nachce cnahce ncahce ahncce hancce anhcce nahcce hnacce nhacce chnace hcnace cnhace nchace hncace nhcace cacenh accenh ccaenh ccaenh accenh cacenh caecnh acecnh ceacnh ecacnh aeccnh eaccnh cceanh cceanh cecanh eccanh cecanh eccanh acecnh caecnh aeccnh eaccnh ceacnh ecacnh cacneh accneh ccaneh ccaneh accneh cacneh canceh acnceh cnaceh ncaceh ancceh nacceh ccnaeh ccnaeh cncaeh nccaeh cncaeh nccaeh acnceh canceh ancceh nacceh cnaceh ncaceh caench acench ceanch ecanch aecnch eacnch canech acnech cnaech ncaech ancech nacech cenach ecnach cneach nceach encach necach aencch eancch anecch naecch enacch neacch ccenah ccenah cecnah eccnah cecnah eccnah ccneah ccneah cnceah ncceah cnceah ncceah cencah ecncah cnecah ncecah enccah neccah cencah ecncah cnecah ncecah enccah neccah acench caench aecnch eacnch ceanch ecanch acnech canech ancech nacech cnaech ncaech aencch eancch anecch naecch enacch neacch cenach ecnach cneach nceach encach necach cahenc achenc chaenc hcaenc ahcenc hacenc caehnc acehnc ceahnc ecahnc aechnc eachnc cheanc hceanc cehanc echanc hecanc ehcanc ahecnc haecnc aehcnc eahcnc heacnc ehacnc cahnec achnec chanec hcanec ahcnec hacnec canhec acnhec cnahec ncahec anchec nachec chnaec hcnaec cnhaec nchaec hncaec nhcaec ahncec hancec anhcec nahcec hnacec nhacec caenhc acenhc ceanhc ecanhc aecnhc eacnhc canehc acnehc cnaehc ncaehc ancehc nacehc cenahc ecnahc cneahc nceahc encahc necahc aenchc eanchc anechc naechc enachc neachc chenac hcenac cehnac echnac hecnac ehcnac chneac hcneac cnheac ncheac hnceac nhceac cenhac ecnhac cnehac ncehac enchac nechac hencac ehncac hnecac nhecac enhcac nehcac ahencc haencc aehncc eahncc heancc ehancc ahnecc hanecc anhecc nahecc hnaecc nhaecc aenhcc eanhcc anehcc naehcc enahcc neahcc henacc ehnacc hneacc nheacc enhacc nehacc cchena cchena chcena hccena chcena hccena ccehna ccehna cechna ecchna cechna ecchna checna hcecna cehcna echcna heccna ehccna checna hcecna cehcna echcna heccna ehccna cchnea cchnea chcnea hccnea chcnea hccnea ccnhea ccnhea cnchea ncchea cnchea ncchea chncea hcncea cnhcea nchcea hnccea nhccea chncea hcncea cnhcea nchcea hnccea nhccea ccenha ccenha cecnha eccnha cecnha eccnha ccneha ccneha cnceha ncceha cnceha ncceha cencha ecncha cnecha ncecha enccha neccha cencha ecncha cnecha ncecha enccha neccha chenca hcenca cehnca echnca hecnca ehcnca chneca hcneca cnheca ncheca hnceca nhceca cenhca ecnhca cnehca ncehca enchca nechca hencca ehncca hnecca nhecca enhcca nehcca chenca hcenca cehnca echnca hecnca ehcnca chneca hcneca cnheca ncheca hnceca nhceca cenhca ecnhca cnehca ncehca enchca nechca hencca ehncca hnecca nhecca enhcca nehcca achenc cahenc ahcenc hacenc chaenc hcaenc acehnc caehnc aechnc eachnc ceahnc ecahnc ahecnc haecnc aehcnc eahcnc heacnc ehacnc cheanc hceanc cehanc echanc hecanc ehcanc achnec cahnec ahcnec hacnec chanec hcanec acnhec canhec anchec nachec cnahec ncahec ahncec hancec anhcec nahcec hnacec nhacec chnaec hcnaec cnhaec nchaec hncaec nhcaec acenhc caenhc aecnhc eacnhc ceanhc ecanhc acnehc canehc ancehc nacehc cnaehc ncaehc aenchc eanchc anechc naechc enachc neachc cenahc ecnahc cneahc nceahc encahc necahc ahencc haencc aehncc eahncc heancc ehancc ahnecc hanecc anhecc nahecc hnaecc nhaecc aenhcc eanhcc anehcc naehcc enahcc neahcc henacc ehnacc hneacc nheacc enhacc nehacc chenac hcenac cehnac echnac hecnac ehcnac chneac hcneac cnheac ncheac hnceac nhceac cenhac ecnhac cnehac ncehac enchac nechac hencac ehncac hnecac nhecac enhcac nehcac
Note: these 'words' (valid or invalid) are all the permutations of the word cachen. These words are obtained by scrambling the letters in cachen.