cccc cccl cccp cccu cclc ccpl ccpp cctc cctl cctt ccuc ccup ccut ckck ckcl ckpc clpp cltc clut cpcu cplc cptp ctcp ctpp cucc cuck cuk- culc culk cull culp cult cupl cupp cut- cutc cutt kccc kcck kccl kcct kccu kckc kckk kckl kclc kclk kcll kclt kclu kcpc kcpl kcpt kcpu kctc kctu kcuk kcul kcup kkck kkcl kkct kkkk kklc kkll kkpc kkpk kkpl kkpt kktc kktk kktl kktu kkup kkut kkuu klcc klck klcl klkc klkk klkl kllc kllk kllp klpc kltc kltk kltt kluk klup kluu kpcc kpcl kpkk kpkl kplc kplk kplt kplu kppc kppk kppl kppp kptl kptt kpul ktcc ktck ktcl ktkc ktkk ktkt ktku ktlk ktlt ktlu ktpk ktpl ktpt kttc kttk kttp kttt kttu ktuc ktul kucc kucp kukk kukl kuku kull kulp kult kulu kupl kupt kupu kutp kutt kutu kuuk kuul kuuu lccc lcpc lcpl lctl llcc lllc llll lppl ltcc lttc ltuc luck lull lulu lupu luuk luup pccc pccl pclk pcll pcpp plcc plkk plpp pltt pluk plup ppcc pppp pptt ptcc ptcl pttc pttk puck puku pulk pull pulp pult pulu pupl pupu put- putt putu puuc tccc tccu tctc tcul tpck tpcp tppp tptp tput ttcp tttt ttul tucc tuck tulk tull tulp tulu tupu tutl tutt tutu uccp ucut ukcc ukup ulcc ultt uluk ulul uppc uppp uppu uptl upup uttu uucp uulu uuuu