kombu okmbu kmobu mkobu omkbu mokbu kobmu okbmu kbomu bkomu obkmu bokmu kmbou mkbou kbmou bkmou mbkou bmkou ombku mobku obmku bomku mboku bmoku komub okmub kmoub mkoub omkub mokub koumb okumb kuomb ukomb oukmb uokmb kmuob mkuob kumob ukmob mukob umkob omukb moukb oumkb uomkb muokb umokb kobum okbum kboum bkoum obkum bokum koubm okubm kuobm ukobm oukbm uokbm kbuom bkuom kubom ukbom bukom ubkom obukm boukm oubkm uobkm buokm ubokm kmbuo mkbuo kbmuo bkmuo mbkuo bmkuo kmubo mkubo kumbo ukmbo mukbo umkbo kbumo bkumo kubmo ukbmo bukmo ubkmo mbuko bmuko mubko umbko bumko ubmko ombuk mobuk obmuk bomuk mbouk bmouk omubk moubk oumbk uombk muobk umobk obumk boumk oubmk uobmk buomk ubomk mbuok bmuok mubok umbok bumok ubmok
Note: these 'words' (valid or invalid) are all the permutations of the word kombu. These words are obtained by scrambling the letters in kombu.