c-- ccc cce ccg ccm ccn cco ce- cec cee ceg cem cen ceo cgc cge cgg cgm cgn cgo cmc cme cmg cmm cmn cmo cn- cnc cne cng cnm cnn cno co- coc coe cog com con coo ec- ecc ece ecg ecm ecn eco eec eee eeg eem een eeo egc ege egg egm egn ego em- emc eme emg emm emn emo en- enc ene eng enm enn eno eo- eoc eoe eog eom eon eoo gcc gce gcg gcm gcn gco ge- gec gee geg gem gen geo ggc ggg ggm ggn ggo gmc gme gmg gmm gmn gmo gnc gne gnm gnn gno goc goe gog gom gon goo m-o mc- mcc mce mcg mcm mcn mco mec mee meg mem men meo mgc mge mgm mgn mgo mmc mme mmg mmm mmn mmo mnc mne mng mnm mnn mno moc moe mog mom mon moo ncc nce ncg ncm ncn nco ne- nec nee neg nem nen neo ngc nge ngg ngm ngn ngo nmc nme nmg nmm nmn nmo nnc nne nng nnm nnn nno no- noc noe nog nom non noo oc- occ ocg ocm ocn oco oec oee oeg oem oen oeo ogc oge ogg ogn ogo om- omc ome omg omm omn omo on- onc one ong onn ono oo- ooc oog oom oon ooo