pnsca npsca psnca spnca nspca snpca pncsa npcsa pcnsa cpnsa ncpsa cnpsa pscna spcna pcsna cpsna scpna cspna nscpa sncpa ncspa cnspa scnpa csnpa pnsac npsac psnac spnac nspac snpac pnasc npasc pansc apnsc napsc anpsc psanc spanc pasnc apsnc sapnc aspnc nsapc snapc naspc anspc sanpc asnpc pncas npcas pcnas cpnas ncpas cnpas pnacs npacs pancs apncs napcs anpcs pcans cpans pacns apcns capns acpns ncaps cnaps nacps ancps canps acnps pscan spcan pcsan cpsan scpan cspan psacn spacn pascn apscn sapcn aspcn pcasn cpasn pacsn apcsn capsn acpsn scapn csapn sacpn ascpn caspn acspn nscap sncap ncsap cnsap scnap csnap nsacp snacp nascp anscp sancp asncp ncasp cnasp nacsp ancsp cansp acnsp scanp csanp sacnp ascnp casnp acsnp
Note: these 'words' (valid or invalid) are all the permutations of the word pnsca. These words are obtained by scrambling the letters in pnsca.