cocas occas ccoas ccoas occas cocas coacs ocacs caocs acocs oaccs aoccs ccaos ccaos cacos accos cacos accos ocacs coacs oaccs aoccs caocs acocs cocsa occsa ccosa ccosa occsa cocsa cosca ocsca csoca scoca oscca socca ccsoa ccsoa cscoa sccoa cscoa sccoa ocsca cosca oscca socca csoca scoca coasc ocasc caosc acosc oacsc aocsc cosac ocsac csoac scoac oscac socac casoc acsoc csaoc scaoc ascoc sacoc oascc aoscc osacc soacc asocc saocc ccaso ccaso cacso accso cacso accso ccsao ccsao cscao sccao cscao sccao casco acsco csaco scaco ascco sacco casco acsco csaco scaco ascco sacco ocasc coasc oacsc aocsc caosc acosc ocsac cosac oscac socac csoac scoac oascc aoscc osacc soacc asocc saocc casoc acsoc csaoc scaoc ascoc sacoc
Note: these 'words' (valid or invalid) are all the permutations of the word cocas. These words are obtained by scrambling the letters in cocas.