okcms kocms ockms cokms kcoms ckoms okmcs komcs omkcs mokcs kmocs mkocs ocmks comks omcks mocks cmoks mcoks kcmos ckmos kmcos mkcos cmkos mckos okcsm kocsm ocksm coksm kcosm ckosm okscm koscm oskcm sokcm ksocm skocm ocskm coskm osckm sockm csokm scokm kcsom cksom kscom skcom cskom sckom okmsc komsc omksc moksc kmosc mkosc oksmc kosmc oskmc sokmc ksomc skomc omskc moskc osmkc somkc msokc smokc kmsoc mksoc ksmoc skmoc mskoc smkoc ocmsk comsk omcsk mocsk cmosk mcosk ocsmk cosmk oscmk socmk csomk scomk omsck mosck osmck somck msock smock cmsok mcsok csmok scmok mscok smcok kcmso ckmso kmcso mkcso cmkso mckso kcsmo cksmo kscmo skcmo cskmo sckmo kmsco mksco ksmco skmco mskco smkco cmsko mcsko csmko scmko mscko smcko
Note: these 'words' (valid or invalid) are all the permutations of the word okcms. These words are obtained by scrambling the letters in okcms.