nappes anppes npapes pnapes apnpes panpes nappes anppes npapes pnapes apnpes panpes nppaes pnpaes nppaes pnpaes ppnaes ppnaes appnes papnes appnes papnes ppanes ppanes napeps anpeps npaeps pnaeps apneps paneps naepps anepps neapps enapps aenpps eanpps npeaps pneaps nepaps enpaps penaps epnaps apenps paenps aepnps eapnps peanps epanps napeps anpeps npaeps pnaeps apneps paneps naepps anepps neapps enapps aenpps eanpps npeaps pneaps nepaps enpaps penaps epnaps apenps paenps aepnps eapnps peanps epanps nppeas pnpeas nppeas pnpeas ppneas ppneas npepas pnepas neppas enppas penpas epnpas npepas pnepas neppas enppas penpas epnpas ppenas ppenas pepnas eppnas pepnas eppnas appens papens appens papens ppaens ppaens apepns paepns aeppns eappns peapns epapns apepns paepns aeppns eappns peapns epapns ppeans ppeans pepans eppans pepans eppans nappse anppse npapse pnapse apnpse panpse nappse anppse npapse pnapse apnpse panpse nppase pnpase nppase pnpase ppnase ppnase appnse papnse appnse papnse ppanse ppanse napspe anpspe npaspe pnaspe apnspe panspe nasppe ansppe nsappe snappe asnppe sanppe npsape pnsape nspape snpape psnape spnape apsnpe pasnpe aspnpe sapnpe psanpe spanpe napspe anpspe npaspe pnaspe apnspe panspe nasppe ansppe nsappe snappe asnppe sanppe npsape pnsape nspape snpape psnape spnape apsnpe pasnpe aspnpe sapnpe psanpe spanpe nppsae pnpsae nppsae pnpsae ppnsae ppnsae npspae pnspae nsppae snppae psnpae spnpae npspae pnspae nsppae snppae psnpae spnpae ppsnae ppsnae pspnae sppnae pspnae sppnae appsne papsne appsne papsne ppasne ppasne apspne paspne asppne sappne psapne spapne apspne paspne asppne sappne psapne spapne ppsane ppsane pspane sppane pspane sppane napesp anpesp npaesp pnaesp apnesp panesp naepsp anepsp neapsp enapsp aenpsp eanpsp npeasp pneasp nepasp enpasp penasp epnasp apensp paensp aepnsp eapnsp peansp epansp napsep anpsep npasep pnasep apnsep pansep naspep anspep nsapep snapep asnpep sanpep npsaep pnsaep nspaep snpaep psnaep spnaep apsnep pasnep aspnep sapnep psanep spanep naespp anespp neaspp enaspp aenspp eanspp nasepp ansepp nsaepp snaepp asnepp sanepp nesapp ensapp nseapp sneapp esnapp senapp aesnpp easnpp asenpp saenpp esanpp seanpp npesap pnesap nepsap enpsap pensap epnsap npseap pnseap nspeap snpeap psneap spneap nespap enspap nsepap snepap esnpap senpap pesnap epsnap psenap spenap espnap sepnap apesnp paesnp aepsnp eapsnp peasnp epasnp apsenp pasenp aspenp sapenp psaenp spaenp aespnp easpnp asepnp saepnp esapnp seapnp pesanp epsanp pseanp speanp espanp sepanp napesp anpesp npaesp pnaesp apnesp panesp naepsp anepsp neapsp enapsp aenpsp eanpsp npeasp pneasp nepasp enpasp penasp epnasp apensp paensp aepnsp eapnsp peansp epansp napsep anpsep npasep pnasep apnsep pansep naspep anspep nsapep snapep asnpep sanpep npsaep pnsaep nspaep snpaep psnaep spnaep apsnep pasnep aspnep sapnep psanep spanep naespp anespp neaspp enaspp aenspp eanspp nasepp ansepp nsaepp snaepp asnepp sanepp nesapp ensapp nseapp sneapp esnapp senapp aesnpp easnpp asenpp saenpp esanpp seanpp npesap pnesap nepsap enpsap pensap epnsap npseap pnseap nspeap snpeap psneap spneap nespap enspap nsepap snepap esnpap senpap pesnap epsnap psenap spenap espnap sepnap apesnp paesnp aepsnp eapsnp peasnp epasnp apsenp pasenp aspenp sapenp psaenp spaenp aespnp easpnp asepnp saepnp esapnp seapnp pesanp epsanp pseanp speanp espanp sepanp nppesa pnpesa nppesa pnpesa ppnesa ppnesa npepsa pnepsa neppsa enppsa penpsa epnpsa npepsa pnepsa neppsa enppsa penpsa epnpsa ppensa ppensa pepnsa eppnsa pepnsa eppnsa nppsea pnpsea nppsea pnpsea ppnsea ppnsea npspea pnspea nsppea snppea psnpea spnpea npspea pnspea nsppea snppea psnpea spnpea ppsnea ppsnea pspnea sppnea pspnea sppnea npespa pnespa nepspa enpspa penspa epnspa npsepa pnsepa nspepa snpepa psnepa spnepa nesppa ensppa nseppa sneppa esnppa senppa pesnpa epsnpa psenpa spenpa espnpa sepnpa npespa pnespa nepspa enpspa penspa epnspa npsepa pnsepa nspepa snpepa psnepa spnepa nesppa ensppa nseppa sneppa esnppa senppa pesnpa epsnpa psenpa spenpa espnpa sepnpa ppesna ppesna pepsna eppsna pepsna eppsna ppsena ppsena pspena sppena pspena sppena pespna epspna psepna spepna esppna seppna pespna epspna psepna spepna esppna seppna appesn papesn appesn papesn ppaesn ppaesn apepsn paepsn aeppsn eappsn peapsn epapsn apepsn paepsn aeppsn eappsn peapsn epapsn ppeasn ppeasn pepasn eppasn pepasn eppasn appsen papsen appsen papsen ppasen ppasen apspen paspen asppen sappen psapen spapen apspen paspen asppen sappen psapen spapen ppsaen ppsaen pspaen sppaen pspaen sppaen apespn paespn aepspn eapspn peaspn epaspn apsepn pasepn aspepn sapepn psaepn spaepn aesppn easppn aseppn saeppn esappn seappn pesapn epsapn pseapn speapn espapn sepapn apespn paespn aepspn eapspn peaspn epaspn apsepn pasepn aspepn sapepn psaepn spaepn aesppn easppn aseppn saeppn esappn seappn pesapn epsapn pseapn speapn espapn sepapn ppesan ppesan pepsan eppsan pepsan eppsan ppsean ppsean pspean sppean pspean sppean pespan epspan psepan spepan esppan seppan pespan epspan psepan spepan esppan seppan
Note: these 'words' (valid or invalid) are all the permutations of the word nappes. These words are obtained by scrambling the letters in nappes.