cccc cccl cccm cccu ccgc cclc cclg cclm ccmc ccmm ccrc ccrg ccrl ccuc cgcc cgcg cgmc clmg clum cmcc cmll cmmc cmml cmrr crcc crcr crug crum cucc cucm culc cull culm cum- curl curr gc-c gccc gclc gclm gcmc gcrg ggcl gggg glcc glug glum glur gmlc gmml gmmr grcc grml grrl grrr grug grum grur gugg gugu gull gulu gumm gurg gurl gurr guru lccc lccm lcrg lcrl llcc llgc lllc llll lmcc lmmr lrmc lrrc lrrr lugg lugu lull lulu lumc lurg mccc mccl mcmc mcml mcrc mcug mgrm mlcc mmcc mmcg mmcl mmcm mmmc mmmm mmrc mr-c mrcc mrmc mrml mrrc muc- mucc mucu mugg mugu mull mulm mulu mumm mumu murc murg murl murr muru rccc rcgc rcrg rlcg rlml rlug rmll rmrg rrmc rrrr rrum rugg rull ruml rumm rurc ruru ucmc ucrc ugcc ugcg ugur uguu ulcc ullr ulmu ulul ulum ummg urgu urum urur uulu uuuu