codas ocdas cdoas dcoas odcas docas coads ocads caods acods oacds aocds cdaos dcaos cados acdos dacos adcos odacs doacs oadcs aodcs daocs adocs codsa ocdsa cdosa dcosa odcsa docsa cosda ocsda csoda scoda oscda socda cdsoa dcsoa csdoa scdoa dscoa sdcoa odsca dosca osdca sodca dsoca sdoca coasd ocasd caosd acosd oacsd aocsd cosad ocsad csoad scoad oscad socad casod acsod csaod scaod ascod sacod oascd aoscd osacd soacd asocd saocd cdaso dcaso cadso acdso dacso adcso cdsao dcsao csdao scdao dscao sdcao casdo acsdo csado scado ascdo sacdo dasco adsco dsaco sdaco asdco sadco odasc doasc oadsc aodsc daosc adosc odsac dosac osdac sodac dsoac sdoac oasdc aosdc osadc soadc asodc saodc dasoc adsoc dsaoc sdaoc asdoc sadoc
Note: these 'words' (valid or invalid) are all the permutations of the word codas. These words are obtained by scrambling the letters in codas.