c-- ccc cce ccf ccm cco cct ccu ce- cec cee cef cem ceo cet ceu cfc cfe cff cfm cfo cft cfu cmc cme cmf cmm cmo cmt cmu co- coc coe cof com coo cot cou ctc cte ctf ctm cto ctt ctu cuc cue cuf cum cuo cut cuu ec- ecc ece ecf ecm eco ect ecu eec eee eef eem eeo eet ef- efc efe eff efm efo eft em- emc eme emf emm emo emt emu eo- eoc eoe eof eom eoo eot eou etc ete etf etm eto ett etu eu- euc eue euf eut fcc fce fcf fcm fco fct fcu fec fee fef fem feo fet feu ffc ffe fff ffm ffo fft ffu fmc fme fmf fmm fmo fmt fmu foc foe fof fom foo fot fou ftc fte ftf ftm fto ftt ftu fue fuf fum fuo fut fuu m-f m-o mc- mcc mce mcf mcm mco mct mcu mec mee mef mem meo met meu mfc mfe mff mfm mfo mft mfu mmc mme mmf mmm mmo mmt mmu moc moe mof mom moo mot mou mtc mte mtf mtm mto mtt mtu muc mue muf mum mut muu oc- occ ocf ocm oco oct ocu oec oee oef oem oeo oet of- ofc ofe off ofm ofo oft ofu om- omc ome omf omm omo omt omu oo- ooc oof oom ooo oot ot- otc ote otf otm oto ott otu ou- ouc oue ouf oum ouo out tcc tce tcf tcm tco tct tcu te- tec tee tef tem teo tet teu tfc tfe tff tfm tfo tft tfu tmc tme tmf tmm tmo tmt tmu to- toc toe tof tom too tot tou ttc tte ttf ttm tto ttt ttu tuc tue tuf tum tuo tut tuu ucc uce ucf ucm uco uct ucu uec uee uef uem uet ufc ufe uff ufm ufo uft ufu um- umc ume umf umm umo umt umu uoc uoe uom uoo uot utc ute utf utm uto utt utu uuc uue uum uut uuu