napas anpas npaas pnaas apnas panas naaps anaps naaps anaps aanps aanps npaas pnaas napas anpas panas apnas apans paans aapns aapns paans apans napsa anpsa npasa pnasa apnsa pansa naspa anspa nsapa snapa asnpa sanpa npsaa pnsaa nspaa snpaa psnaa spnaa apsna pasna aspna sapna psana spana naasp anasp naasp anasp aansp aansp nasap ansap nsaap snaap asnap sanap nasap ansap nsaap snaap asnap sanap aasnp aasnp asanp saanp asanp saanp npasa pnasa napsa anpsa pansa apnsa npsaa pnsaa nspaa snpaa psnaa spnaa naspa anspa nsapa snapa asnpa sanpa pasna apsna psana spana aspna sapna apasn paasn aapsn aapsn paasn apasn apsan pasan aspan sapan psaan spaan aaspn aaspn asapn saapn asapn saapn pasan apsan psaan spaan aspan sapan
Note: these 'words' (valid or invalid) are all the permutations of the word napas. These words are obtained by scrambling the letters in napas.