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