cccc cccf ccci cccm ccee ccfc ccff ccfi ccic ccii ccim ccmc ccmm cec- cece ceci cecm ceec ceem cef- cefc ceim ceme cemm cfcf cfcm cfmi cicc cici ciee cife ciff ciii cime cimi cimm cmcc cmec cmii cmmc cmmi eccc ecce ecci eccm ecef ecem ecfc ecim ecmi eeee eefe effi efic efmi eiec eiei eime eimi emcc emcf emic emii emim emme emmi fccf fcic fcii fcim fece feem fefc fefe feff fefi feie feme femi femm ffcc ffee ffff ffii ficc fice fiec fief fifc fife fiff fifi fifm fiii fime fmic iccc iccf icci icec icee icef icem icmc icme icmi icmm iecc ieie ieme ific ifim ifmc iiie iiii iimc imci imec imfi imme immi mccc mcci mcef mcfc mcic mcii mcmc mcmi mec- mecc mece meef meem mefe meff mefi meic memc meme mfcc micc mice mici miee miem mifc miff mifi miii mim- mime mimi mmcc mmci mmcm mmff mmic mmii mmmc mmmm