cccc ccci cccm ccic ccii ccim ccir ccmc ccmm ccrc ccri cicc cici cicr ciii cimi cimm cimr circ ciri cirm cirr cmcc cmii cmir cmmc cmmi cmri cmrr crcc crcr cric crim cry- crym cyc- cycc cym- cyy- cyyc iccc icci iccr icmc icmi icmm icrc icrm icrr icry iiii iimc iirc imci imir immi immy imrc imri imrr ircc iri- iric iriy irmc irrc irri mccc mcci mcic mcii mcmc mcmi mcrc mcri micc mici micr miii mim- mimi mimy mirc miri mirr miry mmcc mmci mmcm mmic mmii mmmc mmmm mmrc mmyy mr-c mrcc mrmc mrrc myc- myi- myir mymy myrr myry rccc rcic rcyc ricc rimi rimm rimy riri rrmc rrrr ryim yccc yirm yirr ymci ymir yyyy