kkkk kknn kkns kknt kknu kkrk kkrn kkrr kkrs kkrt kksn kksr kkss kkst kksu kktk kkts kktu kkus kkut kkuu knkk knkt knnk knnr knns knrk knrs knsk knsn knsr knss knst knsu kntk kntn kntr knts kntu knuk knur knus knut krkk krkn krkr krks krku krnk krnn krnt krnu krrk krrn krrr krrs krrt krsk krsn krsr krss krst krsu krtk krtn krtr krts kruk krun krur kskk kskn kskr ksks ksku ksnk ksnn ksnr ksns ksnt ksrn ksrr ksrs ksrt kssn kssr ksss ksst kssu kstk kstn kstr ksts kstt kstu ksun ksut ksuu ktkk ktkn ktkr ktks ktkt ktku ktnk ktnn ktns ktnt ktrk ktrn ktrr ktrs ktrt ktru ktsn ktsr ktst ktsu kttk kttn kttr ktts kttt kttu ktun kukk kukn kuks kuku kunk kunr kuns kunt kunu kurk kurr kurs kurt kuru kusn kust kusu kutr kuts kutt kutu kuuk kuur kuuu nknt nktr nnnn nnss nntn nrts nskk nsnr nssr nsss nsts nstu ntnu ntru ntss ntsu nttr nuku nunk nunn nuns nunt nurn nurr nurs nurt nuru nuss nust nusu nuts nutt nutu nuuk rkss rkts rnnt rnut rrrr rrun rsnn rsnr rsts rstu rtkn rtns rtss rtts rukk rukn ruku runk runn runs runt rurs ruru rusk russ rust rusu ruts rutt rutu ruun skn- skrt skss skun skur skut snns snrk snrs sntr snur snus srnn srtr ssns ssrs ssss ssts stks stnn stnr stns strk strn strs stru stss sttr stuk stun stur stus stut suks suku sun- sunk sunn suns sunt sunu sur- surn surr surs surt suru sus- susk suss sust susu sutu suus tkts tnks tnts tnut trst trtr truk trun trus trut truu tsks tssr tsst tsts tsun ttss tttt tuks tunk tunn tuns tunu turk turn turr turs turt turu tusk tuss tust tuts tutt tutu ukur unkn unks unns unrs uns- unst unts unus unut urns urss ursu urts uruk urun urur urus urut us-k usnr usnu ussr usss usst ussu usts usun usus uttu uuuu