c-cd cccc ccci cccm ccdc ccdi ccdm ccic ccid ccii ccim ccmc ccmd ccmm cctc cctt cdic cdii cicc cici cict cidc cidi cidt ciid ciii ciit cimd cimi cimm citi citt city cmcc cmii cmmc cmmi cmtc ctic cyc- cycc cym- cyt- cyy- cyyc dc-y dccc dcci dcct dcii dcim dcmi dctc dctm dddd dici dict dicy didi didy diii dimi dimm diti ditt diyi dmcc dmcm dmdc dmdt dtcc dycd dycm dydd dyit dymd dymi dymy dyt- dytc dyty iccc icci icct icdc icdd icmc icmi icmm icmt iddm idic idid iicd iiii iiit iimc iitm iitt imci imdi imdt imid imit immi immt immy itcm itic itim itty itym mccc mccd mcci mcdc mcdd mcdi mcic mcii mcit mcmc mcmi mcmt mctc mdcc mdci mddm mdic mdii mdmc micc micd mici mict mid- midi miii miit mim- mimd mimi mimy mit- mitc miti mitm mitt mity mmcc mmcd mmci mmcm mmct mmdc mmdi mmic mmii mmmc mmmd mmmm mmyy myc- mydc mydd myi- myid myit mymy tccc tcdd tctc tdmi ticc tidc tidd tidy tiit timi timm titc titi titt tiyi tmcc tmcm tmtt ttim tttt ttyd tydd tydi tydy tytd tyti tytt tyty yccc yctc ydyt yidi yiti ymci ymyd yyyy