cowps ocwps cwops wcops owcps wocps copws ocpws cpows pcows opcws pocws cwpos wcpos cpwos pcwos wpcos pwcos owpcs wopcs opwcs powcs wpocs pwocs cowsp ocwsp cwosp wcosp owcsp wocsp coswp ocswp csowp scowp oscwp socwp cwsop wcsop cswop scwop wscop swcop owscp woscp oswcp sowcp wsocp swocp copsw ocpsw cposw pcosw opcsw pocsw cospw ocspw csopw scopw oscpw socpw cpsow pcsow cspow scpow pscow spcow opscw poscw ospcw sopcw psocw spocw cwpso wcpso cpwso pcwso wpcso pwcso cwspo wcspo cswpo scwpo wscpo swcpo cpswo pcswo cspwo scpwo pscwo spcwo wpsco pwsco wspco swpco pswco spwco owpsc wopsc opwsc powsc wposc pwosc owspc wospc oswpc sowpc wsopc swopc opswc poswc ospwc sopwc psowc spowc wpsoc pwsoc wspoc swpoc pswoc spwoc
Note: these 'words' (valid or invalid) are all the permutations of the word cowps. These words are obtained by scrambling the letters in cowps.