c-- ccc cce ccg ccm ccn cco ccs ce- cec cee ceg cem cen ceo ces cgc cge cgg cgm cgn cgo cgs cmc cme cmg cmm cmn cmo cms cn- cnc cne cng cnm cnn cno cns co- coc coe cog com con coo cos csc cse csg csm csn cso css ec- ecc ece ecg ecm ecn eco ecs eec eee eeg eem een eeo ees egc ege egg egm egn ego egs em- emc eme emg emm emn emo ems en- enc ene eng enm enn eno ens eo- eoc eoe eog eom eon eoo eos es- esc ese esg esm esn eso ess gcc gce gcg gcm gcn gco gcs ge- gec gee geg gem gen geo ges ggc ggg ggm ggn ggo ggs gmc gme gmg gmm gmn gmo gms gnc gne gnm gnn gno gns goc goe gog gom gon goo gos gsc gse gsg gsm gsn gso gss m-o mc- mcc mce mcg mcm mcn mco mcs mec mee meg mem men meo mes mgc mge mgm mgn mgo mgs mmc mme mmg mmm mmn mmo mms mnc mne mng mnm mnn mno mns moc moe mog mom mon moo mos msc mse msg msm msn mso mss ncc nce ncg ncm ncn nco ncs ne- nec nee neg nem nen neo nes ngc nge ngg ngm ngn ngo ngs nmc nme nmg nmm nmn nmo nms nnc nne nng nnm nnn nno nns no- noc noe nog nom non noo nos nsc nse nsg nsm nsn nso nss oc- occ ocg ocm ocn oco ocs oec oee oeg oem oen oeo oes ogc oge ogg ogn ogo ogs om- omc ome omg omm omn omo oms on- onc one ong onn ono ons oo- ooc oog oom oon ooo oos os- osc ose osg osm osn oso oss scc sce scg scm scn sco scs se- sec see seg sem sen seo ses sgc sge sgg sgm sgn sgo sgs smc sme smg smm smn smo sms snc sne sng snm snn sno sns soc soe sog som son soo sos ss- ssc sse ssg ssm ssn sso sss