c-- ccc ccd cce ccm ccn ccu cdc cdd cde cdm cdn cdu ce- cec ced cee cem cen ceu cmc cmd cme cmm cmn cmu cn- cnc cnd cne cnm cnn cnu cuc cud cue cum cun cuu dcc dcd dce dcm dcn dcu ddc ddd dde ddm ddn ddu de- dec ded dee dem den deu dmc dmd dme dmm dmn dmu dnc dnd dne dnm dnn duc dud due dum dun ec- ecc ecd ece ecm ecn ecu ed- edc edd ede edm edn edu eec eed eee eem een em- emc emd eme emm emn emu en- enc end ene enm enn enu eu- euc eud eue eun mc- mcc mcd mce mcm mcn mcu mdc mdd mde mdm mdn mdu mec med mee mem men meu mmc mmd mme mmm mmn mmu mnc mne mnm mnn mnu muc mud mue mum mun muu ncc ncd nce ncm ncn ncu ndc ndd nde ndm ndn ndu ne- nec ned nee nem nen neu nmc nmd nme nmm nmn nmu nnc nne nnm nnn nnu nuc nud nue num nun nuu ucc ucd uce ucm ucn ucu udc udd ude udm udn udu uec ued uee uem uen um- umc umd ume umm umn umu un- unc und une unm unn unu uuc uue uum uun uuu