c-- ccc ccd cce ccg ccm cco cdc cdd cde cdg cdm cdo ce- cec ced cee ceg cem ceo cgc cgd cge cgg cgm cgo cmc cmd cme cmg cmm cmo co- coc cod coe cog com coo dcc dcd dce dcg dcm dco ddc ddd dde ddg ddm ddo de- dec ded dee deg dem deo dgc dgd dge dgg dgm dmc dmd dme dmg dmm dmo doc dod doe dog dom doo ec- ecc ecd ece ecg ecm eco ed- edc edd ede edg edm edo eec eed eee eeg eem eeo egc egd ege egg egm ego em- emc emd eme emg emm emo eo- eoc eod eoe eog eom eoo g-d gcc gcd gce gcg gcm gco gdc gdd gde gdm gdo ge- gec ged gee geg gem geo ggc ggd ggg ggm ggo gmc gmd gme gmg gmm gmo goc god goe gog gom goo m-o mc- mcc mcd mce mcg mcm mco mdc mdd mde mdg mdm mdo mec med mee meg mem meo mgc mgd mge mgm mgo mmc mmd mme mmg mmm mmo moc mod moe mog mom moo oc- occ ocd ocg ocm oco odc odd ode odg odm odo oec oed oee oeg oem oeo ogc ogd oge ogg ogo om- omc omd ome omg omm omo oo- ooc ood oog oom ooo