c-- ccc ccd cce cck ccm ccu cdc cdd cde cdk cdm cdu ce- cec ced cee cek cem ceu ckc ckd ckm cmc cmd cme cmk cmm cmu cuc cud cue cuk cum cuu dcc dcd dce dck dcm dcu ddc ddd dde ddk ddm ddu de- dec ded dee dek dem deu dkc dke dkk dkm dku dmc dmd dme dmk dmm dmu duc dud due duk dum ec- ecc ecd ece eck ecm ecu ed- edc edd ede edk edm edu eec eed eee eek eem ekc ekd eke eku em- emc emd eme emk emm emu eu- euc eud eue kcc kcd kce kck kcm kcu kdc kde kdk kdm kdu ke- kec ked kee kek kem kkc kke kkk kkm kku kmc kmd kme kmk kmm kmu kuc kud kue kuk kum kuu mc- mcc mcd mce mck mcm mcu mdc mdd mde mdk mdm mdu mec med mee mek mem meu mkc mkd mke mkk mkm mku mmc mmd mme mmk mmm mmu muc mud mue muk mum muu ucc ucd uce uck ucm ucu udc udd ude udk udm udu uec ued uee uem ukc uke ukk uku um- umc umd ume umm umu uuc uue uum uuu