kkkk kkll kkls kkss kkst kksu kktk kktl kkts kktu kkus kkut kkuu klkk klkl klks kllk klls klst klsu kltk kltt kluk kluu kskk ksks ksku kslk ksll kslt kslu kssl ksss ksst kssu kstk kstl ksts kstt kstu ksut ksuu ktkk ktks ktkt ktku ktlk ktlt ktlu ktsl ktst ktsu kttk ktts kttt kttu ktul kukk kukl kuks kuku kull kult kulu kust kusu kuts kutt kutu kuuk kuul kuuu llks llll lsts lull lulu lusk luss lust luts luuk skss skul skut slst slsu slts slut sslt ssss sstl ssts stks stlt stss stuk stul stus stut suks suku sul- sulk sull sult sulu sus- susk suss sust susu sutu suus tkts tsks tsst tsts ttss tttt ttul tuks tulk tull tulu tusk tuss tust tutl tuts tutt tutu ults ultt uluk ulul ulus us-k uslu usss usst ussu usts usul usus utsl uttu uulu uuuu