pucan upcan pcuan cpuan ucpan cupan puacn upacn paucn apucn uapcn aupcn pcaun cpaun pacun apcun capun acpun ucapn cuapn uacpn aucpn caupn acupn pucna upcna pcuna cpuna ucpna cupna punca upnca pnuca npuca unpca nupca pcnua cpnua pncua npcua cnpua ncpua ucnpa cunpa uncpa nucpa cnupa ncupa puanc upanc paunc apunc uapnc aupnc punac upnac pnuac npuac unpac nupac panuc apnuc pnauc npauc anpuc napuc uanpc aunpc unapc nuapc anupc naupc pcanu cpanu pacnu apcnu capnu acpnu pcnau cpnau pncau npcau cnpau ncpau pancu apncu pnacu npacu anpcu napcu canpu acnpu cnapu ncapu ancpu nacpu ucanp cuanp uacnp aucnp caunp acunp ucnap cunap uncap nucap cnuap ncuap uancp auncp unacp nuacp anucp naucp canup acnup cnaup ncaup ancup nacup
Note: these 'words' (valid or invalid) are all the permutations of the word pucan. These words are obtained by scrambling the letters in pucan.