kkkk kknn kknt kknu kkrk kkrn kkrr kkrt kktk kktu kkut kkuu knkk knkt knnk knnr knrk kntk kntn kntr kntu knuk knur knut krkk krkn krkr krku krnk krnn krnt krnu krrk krrn krrr krrt krtk krtn krtr kruk krun krur ktkk ktkn ktkr ktkt ktku ktnk ktnn ktnt ktrk ktrn ktrr ktrt ktru kttk kttn kttr kttt kttu ktun kukk kukn kuku kunk kunr kunt kunu kurk kurr kurt kuru kutr kutt kutu kuuk kuur kuuu nknt nktr nnnn nntn ntnu ntru nttr nuku nunk nunn nunt nurn nurr nurt nuru nutt nutu nuuk rnnt rnut rrrr rrun rtkn rukk rukn ruku runk runn runt ruru rutt rutu ruun tnut trtr truk trun trut truu tttt tunk tunn tunu turk turn turr turt turu tutt tutu ukur unkn unut uruk urun urur urut uttu uuuu