cccc cccm cccp cccu ccmc ccmm ccmp ccpm ccpp ccpr ccrc ccrp ccuc ccup cmcc cmmc cmpc cmpp cmrr cpcm cpcu cpmp cppm cprm crcc crcr crmp crpc crum crup cry- crym cucc cucm cum- cump cupp cupr curr cury cuy- cuyp cuyr cyc- cycc cym- cypc cyy- cyyc mccc mcmc mcpc mcpp mcrc mmcc mmcm mmmc mmmm mmpc mmpr mmpu mmrc mmrp mmyy mpcc mpmc mppc mppp mprp mr-c mrcc mrcp mrmc mrrc muc- mucc mucu mumm mump mumu mumy murc murr muru mury myc- mymp mymy myrr myry pccc pcpm pcpp pcrc pmcc pmmp pmmu pmpm pmrc ppcc ppcm pppp pprc pprm ppru ppur prcc prcp prmc prrm prum pruu prym pump pumy pupu pupy pur- purp purr puru pury puuc puy- pym- pypy pyr- pyry rccc rcmp rcyc rmrp rpyc rrmc rrmp rrrr rrum rumm rump rumy rupp rupy rurc rurp ruru u-rp uccp ucmc ucrc umpc upmc upmy uppc uppp uppu uppy upup urcy urry urum urup urur uucp uuuu yccc ymur ypcc yump yury yuyu yyyy