caput acput cpaut pcaut apcut pacut caupt acupt cuapt ucapt aucpt uacpt cpuat pcuat cupat ucpat pucat upcat apuct pauct aupct uapct puact upact captu acptu cpatu pcatu apctu pactu catpu actpu ctapu tcapu atcpu tacpu cptau pctau ctpau tcpau ptcau tpcau aptcu patcu atpcu tapcu ptacu tpacu cautp acutp cuatp ucatp auctp uactp catup actup ctaup tcaup atcup tacup cutap uctap ctuap tcuap utcap tucap autcp uatcp atucp taucp utacp tuacp cputa pcuta cupta ucpta pucta upcta cptua pctua ctpua tcpua ptcua tpcua cutpa uctpa ctupa tcupa utcpa tucpa putca uptca ptuca tpuca utpca tupca aputc pautc auptc uaptc puatc upatc aptuc patuc atpuc tapuc ptauc tpauc autpc uatpc atupc taupc utapc tuapc putac uptac ptuac tpuac utpac tupac
Note: these 'words' (valid or invalid) are all the permutations of the word caput. These words are obtained by scrambling the letters in caput.