khoum hkoum kohum okhum hokum ohkum khuom hkuom kuhom ukhom hukom uhkom kouhm okuhm kuohm ukohm oukhm uokhm houkm ohukm huokm uhokm ouhkm uohkm khomu hkomu kohmu okhmu hokmu ohkmu khmou hkmou kmhou mkhou hmkou mhkou komhu okmhu kmohu mkohu omkhu mokhu homku ohmku hmoku mhoku omhku mohku khumo hkumo kuhmo ukhmo hukmo uhkmo khmuo hkmuo kmhuo mkhuo hmkuo mhkuo kumho ukmho kmuho mkuho umkho mukho humko uhmko hmuko mhuko umhko muhko koumh okumh kuomh ukomh oukmh uokmh komuh okmuh kmouh mkouh omkuh mokuh kumoh ukmoh kmuoh mkuoh umkoh mukoh oumkh uomkh omukh moukh umokh muokh houmk ohumk huomk uhomk ouhmk uohmk homuk ohmuk hmouk mhouk omhuk mohuk humok uhmok hmuok mhuok umhok muhok oumhk uomhk omuhk mouhk umohk muohk
Note: these 'words' (valid or invalid) are all the permutations of the word khoum. These words are obtained by scrambling the letters in khoum.