cosie ocsie csoie scoie oscie socie coise ocise ciose icose oicse iocse csioe scioe cisoe icsoe sicoe iscoe osice soice oisce iosce sioce isoce cosei ocsei csoei scoei oscei socei coesi ocesi ceosi ecosi oecsi eocsi cseoi sceoi cesoi ecsoi secoi escoi oseci soeci oesci eosci seoci esoci coies ocies cioes icoes oices ioces coeis oceis ceois ecois oecis eocis cieos iceos ceios ecios iecos eicos oiecs ioecs oeics eoics ieocs eiocs csieo scieo ciseo icseo siceo isceo cseio sceio cesio ecsio secio escio cieso iceso ceiso eciso iecso eicso sieco iseco seico esico iesco eisco osiec soiec oisec iosec sioec isoec oseic soeic oesic eosic seoic esoic oiesc ioesc oeisc eoisc ieosc eiosc sieoc iseoc seioc esioc iesoc eisoc
Note: these 'words' (valid or invalid) are all the permutations of the word cosie. These words are obtained by scrambling the letters in cosie.