hhhh htrk httr huhu hurk hurr hurt huru huth hutt hutu khhk khkk khkr khrk khrr khrt khth khtk khtr khtt khuk khur khut kkhh kkhk kkhr kkkk kkrh kkrk kkrr kkrt kktk kktu kkut kkuu krkh krkk krkr krku krrk krrr krrt krth krtk krtr kruh kruk krur kthh kthk kthr ktht kthu ktkk ktkr ktkt ktku ktrh ktrk ktrr ktrt ktru ktth kttk kttr kttt kttu ktuh kuht kuhu kukh kukk kuku kurk kurr kurt kuru kuth kutr kutt kutu kuuk kuur kuuu rrrr rthk ruhh ruhr rukh rukk ruku ruru ruth rutt rutu thru thtr thuk thur trtr truk trut truu tttt tuht tuhu turk turr turt turu tutt tutu uhuh ukur urrh urth uruk urur urut uttu uuuu