-er c-- ccc cce ccg ccm ccn cco ccr ccs ce- cec cee ceg cem cen ceo cer ces cgc cge cgg cgm cgn cgo cgr cgs cmc cme cmg cmm cmn cmo cmr cms cn- cnc cne cng cnm cnn cno cnr cns co- coc coe cog com con coo cor cos crc cre crg crm crn cro crr crs csc cse csg csm csn cso csr css ec- ecc ece ecg ecm ecn eco ecr ecs eec eee eeg eem een eeo eer ees egc ege egg egm egn ego egr egs em- emc eme emg emm emn emo emr ems en- enc ene eng enm enn eno enr ens eo- eoc eoe eog eom eon eoo eor eos erc ere erg erm ern ero err ers es- esc ese esg esm esn eso esr ess gcc gce gcg gcm gcn gco gcr gcs ge- gec gee geg gem gen geo ger ges ggc ggg ggm ggn ggo ggr ggs gmc gme gmg gmm gmn gmo gmr gms gnc gne gnm gnn gno gnr gns goc goe gog gom gon goo gor gos grc gre grg grm grn gro grr grs gsc gse gsg gsm gsn gso gsr gss m-o m-r mc- mcc mce mcg mcm mcn mco mcr mcs mec mee meg mem men meo mer mes mgc mge mgm mgn mgo mgr mgs mmc mme mmg mmm mmn mmo mmr mms mnc mne mng mnm mnn mno mnr mns moc moe mog mom mon moo mor mos mrc mre mrg mrm mrn mro mrr mrs msc mse msg msm msn mso msr mss ncc nce ncg ncm ncn nco ncr ncs ne- nec nee neg nem nen neo ner nes ngc nge ngg ngm ngn ngo ngs nmc nme nmg nmm nmn nmo nmr nms nnc nne nng nnm nnn nno nns no- noc noe nog nom non noo nor nos nrc nre nrg nrm nrn nro nrr nrs nsc nse nsg nsm nsn nso nsr nss oc- occ ocg ocm ocn oco ocr ocs oec oee oeg oem oen oeo oer oes ogc oge ogg ogn ogo ogs om- omc ome omg omm omn omo omr oms on- onc one ong onn ono onr ons oo- ooc oog oom oon ooo oor oos or- orc ore org orm orn oro orr ors os- osc ose osg osm osn oso osr oss rcc rce rcg rcm rcn rco rcr rcs re- rec ree reg rem ren reo rer res rgc rge rgg rgn rgo rgr rgs rmc rme rmg rmm rmn rmo rmr rms rnc rng rnm rnn rno rnr rns roc roe rog rom ron roo ror ros rrc rrg rrm rrn rrr rrs rsc rse rsg rsm rsn rso rsr rss scc sce scg scm scn sco scr scs se- sec see seg sem sen seo ser ses sgc sge sgg sgm sgn sgo sgr sgs smc sme smg smm smn smo smr sms snc sne sng snm snn sno snr sns soc soe sog som son soo sor sos sr- src sre srg srm srn sro srr srs ss- ssc sse ssg ssm ssn sso ssr sss