pacos apcos pcaos cpaos acpos capos paocs apocs poacs opacs aopcs oapcs pcoas cpoas pocas opcas copas ocpas acops caops aocps oacps coaps ocaps pacso apcso pcaso cpaso acpso capso pasco apsco psaco spaco aspco sapco pcsao cpsao pscao spcao cspao scpao acspo caspo ascpo sacpo csapo scapo paosc aposc poasc opasc aopsc oapsc pasoc apsoc psaoc spaoc aspoc sapoc posac opsac psoac spoac ospac sopac aospc oaspc asopc saopc osapc soapc pcosa cposa pocsa opcsa copsa ocpsa pcsoa cpsoa pscoa spcoa cspoa scpoa posca opsca psoca spoca ospca sopca cospa ocspa csopa scopa oscpa socpa acosp caosp aocsp oacsp coasp ocasp acsop casop ascop sacop csaop scaop aoscp oascp asocp saocp osacp soacp cosap ocsap csoap scoap oscap socap
Note: these 'words' (valid or invalid) are all the permutations of the word pacos. These words are obtained by scrambling the letters in pacos.