colas oclas cloas lcoas olcas locas coals ocals caols acols oacls aocls claos lcaos calos aclos lacos alcos olacs loacs oalcs aolcs laocs alocs colsa oclsa closa lcosa olcsa locsa cosla ocsla csola scola oscla socla clsoa lcsoa csloa scloa lscoa slcoa olsca losca oslca solca lsoca sloca coasl ocasl caosl acosl oacsl aocsl cosal ocsal csoal scoal oscal socal casol acsol csaol scaol ascol sacol oascl aoscl osacl soacl asocl saocl claso lcaso calso aclso lacso alcso clsao lcsao cslao sclao lscao slcao caslo acslo csalo scalo asclo saclo lasco alsco lsaco slaco aslco salco olasc loasc oalsc aolsc laosc alosc olsac losac oslac solac lsoac sloac oaslc aoslc osalc soalc asolc saolc lasoc alsoc lsaoc slaoc asloc saloc
Note: these 'words' (valid or invalid) are all the permutations of the word colas. These words are obtained by scrambling the letters in colas.