powns opwns pwons wpons owpns wopns ponws opnws pnows npows onpws nopws pwnos wpnos pnwos npwos wnpos nwpos ownps wonps onwps nowps wnops nwops powsn opwsn pwosn wposn owpsn wopsn poswn opswn psown spown ospwn sopwn pwson wpson pswon spwon wspon swpon owspn wospn oswpn sowpn wsopn swopn ponsw opnsw pnosw nposw onpsw nopsw posnw opsnw psonw sponw ospnw sopnw pnsow npsow psnow spnow nspow snpow onspw nospw osnpw sonpw nsopw snopw pwnso wpnso pnwso npwso wnpso nwpso pwsno wpsno pswno spwno wspno swpno pnswo npswo psnwo spnwo nspwo snpwo wnspo nwspo wsnpo swnpo nswpo snwpo ownsp wonsp onwsp nowsp wnosp nwosp owsnp wosnp oswnp sownp wsonp swonp onswp noswp osnwp sonwp nsowp snowp wnsop nwsop wsnop swnop nswop snwop
Note: these 'words' (valid or invalid) are all the permutations of the word powns. These words are obtained by scrambling the letters in powns.