cosed ocsed csoed scoed osced soced coesd ocesd ceosd ecosd oecsd eocsd cseod sceod cesod ecsod secod escod osecd soecd oescd eoscd seocd esocd cosde ocsde csode scode oscde socde codse ocdse cdose dcose odcse docse csdoe scdoe cdsoe dcsoe sdcoe dscoe osdce sodce odsce dosce sdoce dsoce coeds oceds ceods ecods oecds eocds codes ocdes cdoes dcoes odces doces cedos ecdos cdeos dceos edcos decos oedcs eodcs odecs doecs edocs deocs csedo scedo cesdo ecsdo secdo escdo csdeo scdeo cdseo dcseo sdceo dsceo cedso ecdso cdeso dceso edcso decso sedco esdco sdeco dseco edsco desco osedc soedc oesdc eosdc seodc esodc osdec sodec odsec dosec sdoec dsoec oedsc eodsc odesc doesc edosc deosc sedoc esdoc sdeoc dseoc edsoc desoc
Note: these 'words' (valid or invalid) are all the permutations of the word cosed. These words are obtained by scrambling the letters in cosed.