napse anpse npase pnase apnse panse naspe anspe nsape snape asnpe sanpe npsae pnsae nspae snpae psnae spnae apsne pasne aspne sapne psane spane napes anpes npaes pnaes apnes panes naeps aneps neaps enaps aenps eanps npeas pneas nepas enpas penas epnas apens paens aepns eapns peans epans nasep ansep nsaep snaep asnep sanep naesp anesp neasp enasp aensp eansp nseap sneap nesap ensap senap esnap asenp saenp aesnp easnp seanp esanp npsea pnsea nspea snpea psnea spnea npesa pnesa nepsa enpsa pensa epnsa nsepa snepa nespa enspa senpa esnpa psena spena pesna epsna sepna espna apsen pasen aspen sapen psaen spaen apesn paesn aepsn eapsn peasn epasn asepn saepn aespn easpn seapn esapn psean spean pesan epsan sepan espan
Note: these 'words' (valid or invalid) are all the permutations of the word napse. These words are obtained by scrambling the letters in napse.