c-- ccc cce ccg ccm cco ccz ce- cec cee ceg cem ceo cez cgc cge cgg cgm cgo cmc cme cmg cmm cmo co- coc coe cog com coo coz cz- czc cze czm czo ec- ecc ece ecg ecm eco eec eee eeg eem eeo egc ege egg egm ego em- emc eme emg emm emo eo- eoc eoe eog eom eoo eze ezo ezz gcc gce gcg gcm gco ge- gec gee geg gem geo gez ggc ggg ggm ggo ggz gmc gme gmg gmm gmo gmz goc goe gog gom goo goz gzo m-o mc- mcc mce mcg mcm mco mcz mec mee meg mem meo mez mgc mge mgm mgo mgz mmc mme mmg mmm mmo mmz moc moe mog mom moo moz mzm oc- occ ocg ocm oco ocz oec oee oeg oem oeo ogc oge ogg ogo om- omc ome omg omm omo omz oo- ooc oog oom ooo oze ozm ozo ozz z-g zce zco zec zee zem zeo zez zgg zmc zmm zo- zoc zoe zog zom zoo zzz