cccc ccci cccm ccic ccii ccim ccmc ccmm cctc cctt cicc cici cict ciii ciit cimi cimm citi citt city cmcc cmii cmmc cmmi cmtc ctic cyc- cycc cym- cyt- cyy- cyyc iccc icci icct icmc icmi icmm icmt iiii iiit iimc iitm iitt imci imit immi immt immy itcm itic itim itty itym mccc mcci mcic mcii mcit mcmc mcmi mcmt mctc micc mici mict miii miit mim- mimi mimy mit- mitc miti mitm mitt mity mmcc mmci mmcm mmct mmic mmii mmmc mmmm mmyy myc- myi- myit mymy tccc tctc ticc tiit timi timm titc titi titt tiyi tmcc tmcm tmtt ttim tttt tyti tytt tyty yccc yctc yiti ymci yyyy