c-- ccc ccd cce ccg cco cdc cdd cde cdg cdo ce- cec ced cee ceg ceo cgc cgd cge cgg cgo co- coc cod coe cog coo dcc dcd dce dcg dco ddc ddd dde ddg ddo de- dec ded dee deg deo dgc dgd dge dgg doc dod doe dog doo ec- ecc ecd ece ecg eco ed- edc edd ede edg edo eec eed eee eeg eeo egc egd ege egg ego eo- eoc eod eoe eog eoo g-d gcc gcd gce gcg gco gdc gdd gde gdo ge- gec ged gee geg geo ggc ggd ggg ggo goc god goe gog goo oc- occ ocd ocg oco odc odd ode odg odo oec oed oee oeg oeo ogc ogd oge ogg ogo oo- ooc ood oog ooo