c-- ccc cce ccm cco cct ccu ce- cec cee cem ceo cet ceu cmc cme cmm cmo cmt cmu co- coc coe com coo cot cou ctc cte ctm cto ctt ctu cuc cue cum cuo cut cuu ec- ecc ece ecm eco ect ecu eec eee eem eeo eet em- emc eme emm emo emt emu eo- eoc eoe eom eoo eot eou etc ete etm eto ett etu eu- euc eue eut m-o mc- mcc mce mcm mco mct mcu mec mee mem meo met meu mmc mme mmm mmo mmt mmu moc moe mom moo mot mou mtc mte mtm mto mtt mtu muc mue mum mut muu oc- occ ocm oco oct ocu oec oee oem oeo oet om- omc ome omm omo omt omu oo- ooc oom ooo oot ot- otc ote otm oto ott otu ou- ouc oue oum ouo out tcc tce tcm tco tct tcu te- tec tee tem teo tet teu tmc tme tmm tmo tmt tmu to- toc toe tom too tot tou ttc tte ttm tto ttt ttu tuc tue tum tuo tut tuu ucc uce ucm uco uct ucu uec uee uem uet um- umc ume umm umo umt umu uoc uoe uom uoo uot utc ute utm uto utt utu uuc uue uum uut uuu