cccc cccm cccu ccee ccmc ccmm ccrc ccre ccuc cec- cece cecm ceec ceem ceme cemm cemr cemu cer- cerc cere cmcc cmec cmmc cmrr crcc crce crcr cre- crec cree crem creu crue crum cucc cuce cucm cuer cum- cume cure curr eccc ecce eccm ecem ecrc ecrm ecrr ecru eeee eerc emcc emer emeu emme emmu emre ercc erce erec erem erer ermc erme errc erre eruc erum erur euer eumc eur- eurc eure mccc mcmc mcrc mec- mecc mece mecr meem meer memc meme memr memu mer- merc mere merm meru meum mmcc mmcm mmmc mmmm mmrc mr-c mrcc mrce mree mrmc mrrc muc- mucc muce mucu muee mume mumm mumu murc mure murr muru rccc recc rece recm recr recu reem reme rere reru reue reuu rrmc rrrr rrum ruce ruer rume rumm rurc rure ruru ucmc ucrc umec umer ure- urre urum urur uuuu