lumbi ulmbi lmubi mlubi umlbi mulbi lubmi ulbmi lbumi blumi ublmi bulmi lmbui mlbui lbmui blmui mblui bmlui umbli mubli ubmli bumli mbuli bmuli lumib ulmib lmuib mluib umlib mulib luimb ulimb liumb ilumb uilmb iulmb lmiub mliub limub ilmub milub imlub umilb muilb uimlb iumlb miulb imulb lubim ulbim lbuim bluim ublim bulim luibm ulibm liubm ilubm uilbm iulbm lbium blium libum ilbum bilum iblum ubilm builm uiblm iublm biulm ibulm lmbiu mlbiu lbmiu blmiu mbliu bmliu lmibu mlibu limbu ilmbu milbu imlbu lbimu blimu libmu ilbmu bilmu iblmu mbilu bmilu miblu imblu bimlu ibmlu umbil mubil ubmil bumil mbuil bmuil umibl muibl uimbl iumbl miubl imubl ubiml buiml uibml iubml biuml ibuml mbiul bmiul mibul imbul bimul ibmul
Note: these 'words' (valid or invalid) are all the permutations of the word lumbi. These words are obtained by scrambling the letters in lumbi.