c-- ccc ccd ccg cco ccw cdc cdd cdg cdo cdw cgc cgd cgg cgo cgw co- coc cod cog coo cow cw- cwc cwd cwg cwo dcc dcd dcg dco dcw ddc ddd ddg ddo ddw dgc dgd dgg dgw doc dod dog doo dow dwc dwg dwo dww g-d gcc gcd gcg gco gcw gdc gdd gdo gdw ggc ggd ggg ggo ggw goc god gog goo gow gwc gwd gwg oc- occ ocd ocg oco ocw odc odd odg odo ogc ogd ogg ogo oo- ooc ood oog ooo oow owc owd owo oww wcc wcd wcg wco wcw wdc wdg wgc wgo wgw woc wod wog woo wow wwc wwd wwo www