alwka lawka awlka walka lwaka wlaka alkwa lakwa aklwa kalwa lkawa klawa awkla wakla akwla kawla wkala kwala lwkaa wlkaa lkwaa klwaa wklaa kwlaa alwak lawak awlak walak lwaak wlaak alawk laawk aalwk aalwk laawk alawk awalk waalk aawlk aawlk waalk awalk lwaak wlaak lawak alwak walak awlak alkaw lakaw aklaw kalaw lkaaw klaaw alakw laakw aalkw aalkw laakw alakw akalw kaalw aaklw aaklw kaalw akalw lkaaw klaaw lakaw alkaw kalaw aklaw awkal wakal akwal kawal wkaal kwaal awakl waakl aawkl aawkl waakl awakl akawl kaawl aakwl aakwl kaawl akawl wkaal kwaal wakal awkal kawal akwal lwkaa wlkaa lkwaa klwaa wklaa kwlaa lwaka wlaka lawka alwka walka awlka lkawa klawa lakwa alkwa kalwa aklwa wkala kwala wakla awkla kawla akwla
Note: these 'words' (valid or invalid) are all the permutations of the word alwka. These words are obtained by scrambling the letters in alwka.