encase necase ecnase cenase ncease cnease enacse neacse eancse aencse naecse anecse ecanse ceanse eacnse aecnse caense acense ncaese cnaese nacese ancese canese acnese encsae necsae ecnsae censae ncesae cnesae enscae nescae esncae sencae nsecae snecae ecsnae cesnae escnae secnae csenae scenae ncseae cnseae nsceae snceae csneae scneae enasce neasce eansce aensce naesce anesce ensace nesace esnace senace nseace sneace easnce aesnce esance seance asence saence nasece ansece nsaece snaece asnece sanece ecasne ceasne eacsne aecsne caesne acesne ecsane cesane escane secane cseane sceane eascne aescne esacne seacne asecne saecne casene acsene csaene scaene ascene sacene ncasee cnasee nacsee ancsee cansee acnsee ncsaee cnsaee nscaee sncaee csnaee scnaee nascee anscee nsacee snacee asncee sancee casnee acsnee csanee scanee ascnee sacnee encaes necaes ecnaes cenaes nceaes cneaes enaces neaces eances aences naeces aneces ecanes ceanes eacnes aecnes caenes acenes ncaees cnaees nacees ancees canees acnees enceas neceas ecneas ceneas nceeas cneeas enecas neecas eencas eencas neecas enecas ecenas ceenas eecnas eecnas ceenas ecenas nceeas cneeas neceas enceas ceneas ecneas enaecs neaecs eanecs aenecs naeecs aneecs eneacs neeacs eenacs eenacs neeacs eneacs eaencs aeencs eeancs eeancs aeencs eaencs naeecs aneecs neaecs enaecs aenecs eanecs ecaens ceaens eacens aecens caeens aceens eceans ceeans eecans eecans ceeans eceans eaecns aeecns eeacns eeacns aeecns eaecns caeens aceens ceaens ecaens aecens eacens ncaees cnaees nacees ancees canees acnees nceaes cneaes necaes encaes cenaes ecnaes naeces aneces neaces enaces aences eances caenes acenes ceanes ecanes aecnes eacnes encsea necsea ecnsea censea ncesea cnesea enscea nescea esncea sencea nsecea snecea ecsnea cesnea escnea secnea csenea scenea ncseea cnseea nsceea snceea csneea scneea encesa necesa ecnesa cenesa nceesa cneesa enecsa neecsa eencsa eencsa neecsa enecsa ecensa ceensa eecnsa eecnsa ceensa ecensa nceesa cneesa necesa encesa cenesa ecnesa enseca neseca esneca seneca nseeca sneeca enesca neesca eensca eensca neesca enesca esenca seenca eesnca eesnca seenca esenca nseeca sneeca neseca enseca seneca esneca ecsena cesena escena secena cseena sceena ecesna ceesna eecsna eecsna ceesna ecesna esecna seecna eescna eescna seecna esecna cseena sceena cesena ecsena secena escena ncseea cnseea nsceea snceea csneea scneea ncesea cnesea necsea encsea censea ecnsea nsecea snecea nescea enscea sencea esncea csenea scenea cesnea ecsnea secnea escnea enasec neasec eansec aensec naesec anesec ensaec nesaec esnaec senaec nseaec sneaec easnec aesnec esanec seanec asenec saenec naseec anseec nsaeec snaeec asneec saneec enaesc neaesc eanesc aenesc naeesc aneesc eneasc neeasc eenasc eenasc neeasc eneasc eaensc aeensc eeansc eeansc aeensc eaensc naeesc aneesc neaesc enaesc aenesc eanesc enseac neseac esneac seneac nseeac sneeac enesac neesac eensac eensac neesac enesac esenac seenac eesnac eesnac seenac esenac nseeac sneeac neseac enseac seneac esneac easenc aesenc esaenc seaenc aseenc saeenc eaesnc aeesnc eeasnc eeasnc aeesnc eaesnc eseanc seeanc eesanc eesanc seeanc eseanc aseenc saeenc aesenc easenc seaenc esaenc naseec anseec nsaeec snaeec asneec saneec naesec anesec neasec enasec aensec eansec nseaec sneaec nesaec ensaec senaec esnaec asenec saenec aesnec easnec seanec esanec ecasen ceasen eacsen aecsen caesen acesen ecsaen cesaen escaen secaen cseaen sceaen eascen aescen esacen seacen asecen saecen caseen acseen csaeen scaeen asceen saceen ecaesn ceaesn eacesn aecesn caeesn aceesn eceasn ceeasn eecasn eecasn ceeasn eceasn eaecsn aeecsn eeacsn eeacsn aeecsn eaecsn caeesn aceesn ceaesn ecaesn aecesn eacesn ecsean cesean escean secean cseean sceean ecesan ceesan eecsan eecsan ceesan ecesan esecan seecan eescan eescan seecan esecan cseean sceean cesean ecsean secean escean easecn aesecn esaecn seaecn aseecn saeecn eaescn aeescn eeascn eeascn aeescn eaescn eseacn seeacn eesacn eesacn seeacn eseacn aseecn saeecn aesecn easecn seaecn esaecn caseen acseen csaeen scaeen asceen saceen caesen acesen ceasen ecasen aecsen eacsen cseaen sceaen cesaen ecsaen secaen escaen asecen saecen aescen eascen seacen esacen ncasee cnasee nacsee ancsee cansee acnsee ncsaee cnsaee nscaee sncaee csnaee scnaee nascee anscee nsacee snacee asncee sancee casnee acsnee csanee scanee ascnee sacnee ncaese cnaese nacese ancese canese acnese ncease cnease necase encase cenase ecnase naecse anecse neacse enacse aencse eancse caense acense ceanse ecanse aecnse eacnse ncseae cnseae nsceae snceae csneae scneae ncesae cnesae necsae encsae censae ecnsae nsecae snecae nescae enscae sencae esncae csenae scenae cesnae ecsnae secnae escnae nasece ansece nsaece snaece asnece sanece naesce anesce neasce enasce aensce eansce nseace sneace nesace ensace senace esnace asence saence aesnce easnce seance esance casene acsene csaene scaene ascene sacene caesne acesne ceasne ecasne aecsne eacsne cseane sceane cesane ecsane secane escane asecne saecne aescne eascne seacne esacne
Note: these 'words' (valid or invalid) are all the permutations of the word encase. These words are obtained by scrambling the letters in encase.