cupid ucpid cpuid pcuid upcid pucid cuipd ucipd ciupd icupd uicpd iucpd cpiud pciud cipud icpud picud ipcud upicd puicd uipcd iupcd piucd ipucd cupdi ucpdi cpudi pcudi upcdi pucdi cudpi ucdpi cdupi dcupi udcpi ducpi cpdui pcdui cdpui dcpui pdcui dpcui updci pudci udpci dupci pduci dpuci cuidp ucidp ciudp icudp uicdp iucdp cudip ucdip cduip dcuip udcip ducip cidup icdup cdiup dciup idcup dicup uidcp iudcp udicp duicp iducp diucp cpidu pcidu cipdu icpdu picdu ipcdu cpdiu pcdiu cdpiu dcpiu pdciu dpciu cidpu icdpu cdipu dcipu idcpu dicpu pidcu ipdcu pdicu dpicu idpcu dipcu upidc puidc uipdc iupdc piudc ipudc updic pudic udpic dupic pduic dpuic uidpc iudpc udipc duipc idupc diupc piduc ipduc pdiuc dpiuc idpuc dipuc
Note: these 'words' (valid or invalid) are all the permutations of the word cupid. These words are obtained by scrambling the letters in cupid.