kkkk kkll kkls kkrk kkrl kkrr kkrs kkrt kksr kkss kkst kksu kktk kktl kkts kktu kkus kkut kkuu klkk klkl klkr klks kllk klls klrk klrr klrs klru klsr klst klsu kltk kltr kltt kluk klur kluu krkk krkr krks krku krlt krrk krrl krrr krrs krrt krsk krsl krsr krss krst krsu krtk krtr krts kruk krul krur kskk kskr ksks ksku kslk ksll kslr kslt kslu ksrr ksrs ksrt kssl kssr ksss ksst kssu kstk kstl kstr ksts kstt kstu ksut ksuu ktkk ktkr ktks ktkt ktku ktlk ktlr ktlt ktlu ktrk ktrl ktrr ktrs ktrt ktru ktsl ktsr ktst ktsu kttk kttr ktts kttt kttu ktul kukk kukl kuks kuku kull kult kulu kurk kurl kurr kurs kurt kuru kust kusu kutr kuts kutt kutu kuuk kuul kuur kuuu lkrs llks llll lrrr lrst lrts ls-r lssr lsts ltrs ltsr lttr lull lulu lurk lurs lurt lusk luss lust luts luuk rkss rkts rlls rrrr rssl rsts rstu rtls rtlt rtss rtts rukk ruku rulk rull rurs ruru rusk russ rust rusu rutl ruts rutt rutu skrt skss skul skur skut slrs slst slsu slts slur slut srtr sslt ssrl ssrs ssss sstl ssts stks stlt strk strs stru stss sttr stuk stul stur stus stut suks suku sul- sulk sull sult sulu sur- surr surs surt suru sus- susk suss sust susu sutu suus tkts tlrs trst trtr truk trus trut truu tsks tssr tsst tsts ttss tttt ttul tuks tulk tull tulu turk turr turs turt turu tusk tuss tust tutl tuts tutt tutu ukur ullr ults ultt uluk ulul ulus urls urss ursu urts uruk urur urus urut us-k uslu ussr usss usst ussu usts usul usus utsl uttu uulu uuuu