-er -ic c-- ccc ccd cce ccg cci ccm ccr ccs cdc cdd cde cdg cdi cdm cdr cds ce- cec ced cee ceg cei cem cer ces cgc cgd cge cgg cgi cgm cgr cgs ci- cic cid cie cig cii cim cir cis cmc cmd cme cmg cmi cmm cmr cms crc crd cre crg cri crm crr crs csc csd cse csg csi csm csr css dcc dcd dce dcg dci dcm dcr dcs ddc ddd dde ddg ddi ddm ddr dds de- dec ded dee deg dei dem der des dgc dgd dge dgg dgi dgm dgr dgs di- dic did die dig dii dim dir dis dmc dmd dme dmg dmi dmm dmr dms drc drd dre drg dri drm drr drs dsc dsd dse dsg dsi dsm dsr dss ec- ecc ecd ece ecg eci ecm ecr ecs ed- edc edd ede edg edi edm edr eds eec eed eee eeg eem eer ees egc egd ege egg egi egm egr egs eic eid eie eig eii eim eir eis em- emc emd eme emg emi emm emr ems erc erd ere erg eri erm err ers es- esc esd ese esg esi esm esr ess g-d gcc gcd gce gcg gci gcm gcr gcs gdc gdd gde gdi gdm gdr gds ge- gec ged gee geg gei gem ger ges ggc ggd ggg ggi ggm ggr ggs gic gid gie gig gii gim gir gis gmc gmd gme gmg gmi gmm gmr gms grc grd gre grg gri grm grr grs gsc gsd gse gsg gsi gsm gsr gss i-d icc icd ice icg ici icm icr ics idc idd ide idg idi idm idr ids ie- iec ied iee ieg iei iem ier ies igc igd ige igg igi igm igr igs iic iid iie iii iim iir iis im- imc imd ime img imi imm ims ir- irc ird ire irg iri irm irr irs is- isc isd ise isg isi ism isr iss m-r mc- mcc mcd mce mcg mci mcm mcr mcs mdc mdd mde mdg mdi mdm mdr mds mec med mee meg mei mem mer mes mgc mgd mge mgi mgm mgr mgs mi- mic mid mie mig mii mim mir mis mmc mmd mme mmg mmi mmm mmr mms mrc mrd mre mrg mri mrm mrr mrs msc msd mse msg msi msm msr mss rcc rcd rce rcg rci rcm rcr rcs rdc rdd rde rdg rdi rdm rdr rds re- rec red ree reg rei rem rer res rgc rgd rge rgg rgi rgr rgs ric rid rie rig rii rim rir ris rmc rmd rme rmg rmi rmm rmr rms rrc rrd rrg rri rrm rrr rrs rsc rsd rse rsg rsi rsm rsr rss scc scd sce scg sci scm scr scs sdc sdd sde sdg sdi sdm sdr sds se- sec sed see seg sei sem ser ses sgc sgd sge sgg sgi sgm sgr sgs sic sid sie sig sii sim sir sis smc smd sme smg smi smm smr sms sr- src srd sre srg sri srm srr srs ss- ssc ssd sse ssg ssi ssm ssr sss