cccc cccl cccm cccp cccu cckm cclc cclm ccmc ccmm ccmp ccpl ccpm ccpp ccuc ccup ckck ckcl ckcm cklm ckml ckmp ckpc clpp clum cmcc cmll cmmc cmml cmpc cmpk cmpl cmpp cpcm cpcu cplc cpmp cppm cucc cuck cucm cuk- culc culk cull culm culp cum- cump cupl cupp kccc kcck kccl kccu kckc kckk kckl kckm kclc kclk kcll kclm kclu kcmc kcmk kcml kcmm kcmp kcpc kcpl kcpm kcpu kcuk kcul kcup kkck kkcl kkcm kkkk kklc kkll kkmc kkmk kkml kkmp kkpc kkpk kkpl kkup kkuu klcc klck klcl klcm klkc klkk klkl kllc kllk kllp klmk klmm klmp klpc klpm kluk klum klup kluu kmcc kmcl kmcm kmcu kmkk kmkl kmlk kmlu kmmk kmml kmmm kmpc kmuc kmul kpcc kpcl kpkk kpkl kplc kplk kplm kplu kpmp kppc kppk kppl kppp kpul kpum kucc kucp kukk kukl kuku kull kulm kulp kulu kumm kump kumu kupl kupu kuuk kuul kuuu lccc lccm lcpc lcpl lcpm llcc lllc llll lmcc lppl luck lull lulu lumc lump lupu luuk luup mccc mccl mckk mcmc mcml mcpc mcpp mlcc mlpc mmcc mmcl mmcm mmlp mmmc mmmm mmpc mmpu mpcc mplc mplm mpmc mppc mppp muc- mucc muck mucu mulk mull mulm mulu mumm mump mumu pccc pccl pclk pcll pcpm pcpp plcc plkk plpp pluk plum plup pmcc pmcl pmmp pmmu pmpm ppcc ppcm ppml pppp puck puku pulk pull pulp pulu pump pupl pupu puuc uccp ucmc ukcc ukum ukup ulcc ulmu uluk ulul ulum umpc upmc upml uppc uppp uppu upup uucp uulu uuuu