cccc cccm cccs cccu ccmc ccmm ccms ccnc ccnm ccnr ccns ccnu ccrc ccrs ccsn ccss ccuc ccus cmcc cmcs cmmc cmmn cmms cmrn cmrr cmrs cmsc cmsn cmus cnrc cnrr cnss crcc crcr crmn crms crns crss crum crun crus cscc cscr cscs csmc csmu csrc csrs cssm cssr csum csur csus cucc cucm cucn cum- cums curn curr curs cuss cusu mccc mcmc mcrc mcss mmcc mmcm mmcs mmmc mmmm mmms mmrc mmsc mmsu mmun mmus mr-c mrcc mrcs mrmc mrnc mrrc mrsc mscc msmc msmm msms msmu mssm mssr msun msus muc- mucc mucu mumm mums mumu munc munn muns munu murc murn murr murs muru musc muss musu nccc nccn nccr nccs nccu ncmm ncnc ncrc ncsc ncss nmmc nmrc nnmc nnnn nnss nrcs nrrc nrsc nscc nscs nsmc nsnr nsrc nssc nssr nsss nucs nucu numm nums numu nunc nunn nuns nurc nurn nurr nurs nuru nuss nusu rccc rccs rcms rcnr rcsc rcss rmsc rncs rrmc rrrr rrum rrun rscc rscn rscs rsnn rsnr rsum rumm rums runc runn runs rurc rurs ruru russ rusu ruun sccc sccm sccs scmc scmm scms scnr scr- scrc scrn scrs scsc scsn scsr scsu scum scun scur smcc smnc smsc smsn smss smur smus sncc snns snrs snum snur snus srcc srmc srnn sscc sscs ssmc ssns ssrc ssrm ssrs sssc sssm ssss suc- succ sucr sucs sum- sums sumu sun- sunn suns sunu sur- surc surn surr surs suru sus- suss susu suum suus ucmc ucrc ucsc ucsm ucsu umms umsu umus uncc uncs unmc unmr unns unrs uns- unsc unum unus urns urss ursu urum urun urur urus uscc uscm uscs usmc usmm usms usnc usnr usnu ussc ussr usss ussu usun usus uuuu