dddd drmk druk drum druu dudd dudu duku dull dulu dumm durk duru duul duur kddd kddk kddl kddr kdkd kdkk kdkr kdld kdll kdlm kdlr kdmd kdmr kdrl kdrm kdur kkdd kkdl kkdm kkkk kkld kkll kkmk kkml kkmr kkrk kkrl kkrr kkuu kldd kldr klkk klkl klkr kllk klmk klmm klmr klrd klrk klrm klrr klru kluk klum klur kluu kmdl kmdr kmkk kmkl kmld kmlk kmlu kmmk kmml kmmm kmmr kmrr kmud kmul kmur krdd krdm krdr krdu krkd krkk krkr krku krld krmd krml krmr krrk krrl krrm krrr kruk krul krum krur kudd kudl kudu kukk kukl kuku kuld kull kulm kulu kumm kumr kumu kurd kurk kurl kurm kurr kuru kuuk kuul kuur kuuu lddm llll llud lmmr lrdd lrrr ludd lull lulu lurd lurk luuk mddl mddm mdmk mdud mldr mmdl mmmd mmmm mrdd mrkr mrmd mrml mrud mruk mudd mudl mudu muld mulk mull mulm mulu mumm mumu murd murk murl murr muru rlml rmll rrkm rrrr rrum rudd rudl rukk ruku rulk rull ruml rumm rurd ruru ruud uduk ukum ukur ullr ulmu uluk ulul ulum urdu uruk urum urur uulu uuuu