cccc cccf cccl cccm cccu ccfc ccff ccfl cclc cclm ccmc ccmm ccrc ccrf ccrl ccuc cfcf cfcl cfcm cffr cfml cfmu clum cmcc cmll cmmc cmml cmrr crcc crcr crfc crfl crlf crum cucc cucm cufc cuff culc cull culm cum- curf curl curr fccf fcmr ffcc ffff ffrr flcl fluf flum flur frcc frfc frum fuc- fucm fufc fuff fufu full fulu fumc fur- furl furm furr lccc lccm lcfc lcfr lcrl lfcc lfmr llcc lllc llll lmcc lmfm lmmr lrfc lrmc lrrc lrrr luff lufu lull lulu lumc mccc mccl mcfc mcmc mcml mcrc mfcc mlcc mmcc mmcl mmcm mmff mmmc mmmm mmrc mmrf mr-c mrcc mrfc mrmc mrml mrrc muc- mucc mucu mufc muff mufu mull mulm mulu mumm mumu murc murl murr muru rccc rcfc rffc rffl rlml rmll rrfc rrmc rrrr rrum rufc ruff rull ruml rumm rurc ruru ucmc ucrc ufcu ulcc ullr ulmu ulul ulum umff urff urum urur uulu uuuu