-er -ic c-- ccc ccd cce ccg cci ccm cco ccr cdc cdd cde cdg cdi cdm cdo cdr ce- cec ced cee ceg cei cem ceo cer cgc cgd cge cgg cgi cgm cgo cgr ci- cic cid cie cig cii cim cio cir cmc cmd cme cmg cmi cmm cmo cmr co- coc cod coe cog coi com coo cor crc crd cre crg cri crm cro crr dcc dcd dce dcg dci dcm dco dcr ddc ddd dde ddg ddi ddm ddo ddr de- dec ded dee deg dei dem deo der dgc dgd dge dgg dgi dgm dgr di- dic did die dig dii dim dio dir dmc dmd dme dmg dmi dmm dmo dmr doc dod doe dog doi dom doo dor drc drd dre drg dri drm dro drr ec- ecc ecd ece ecg eci ecm eco ecr ed- edc edd ede edg edi edm edo edr eec eed eee eeg eem eeo eer egc egd ege egg egi egm ego egr eic eid eie eig eii eim eio eir em- emc emd eme emg emi emm emo emr eo- eoc eod eoe eog eoi eom eoo eor erc erd ere erg eri erm ero err g-d gcc gcd gce gcg gci gcm gco gcr gdc gdd gde gdi gdm gdo gdr ge- gec ged gee geg gei gem geo ger ggc ggd ggg ggi ggm ggo ggr gic gid gie gig gii gim gio gir gmc gmd gme gmg gmi gmm gmo gmr goc god goe gog goi gom goo gor grc grd gre grg gri grm gro grr i-d icc icd ice icg ici icm ico icr idc idd ide idg idi idm ido idr ie- iec ied iee ieg iei iem ier igc igd ige igg igi igm igo igr iic iid iie iii iim iio iir im- imc imd ime img imi imm imo io- ioc iod ioe iog ioi iom ioo ior ir- irc ird ire irg iri irm iro irr m-o m-r mc- mcc mcd mce mcg mci mcm mco mcr mdc mdd mde mdg mdi mdm mdo mdr mec med mee meg mei mem meo mer mgc mgd mge mgi mgm mgo mgr mi- mic mid mie mig mii mim mio mir mmc mmd mme mmg mmi mmm mmo mmr moc mod moe mog moi mom moo mor mrc mrd mre mrg mri mrm mro mrr o-i oc- occ ocd ocg oci ocm oco ocr odc odd ode odg odi odm odo odr oec oed oee oeg oei oem oeo oer ogc ogd oge ogg ogi ogo oic oid oie oii oim oio oir om- omc omd ome omg omi omm omo omr oo- ooc ood oog ooi oom ooo oor or- orc ord ore org ori orm oro orr rcc rcd rce rcg rci rcm rco rcr rdc rdd rde rdg rdi rdm rdo rdr re- rec red ree reg rei rem reo rer rgc rgd rge rgg rgi rgo rgr ric rid rie rig rii rim rio rir rmc rmd rme rmg rmi rmm rmo rmr roc rod roe rog roi rom roo ror rrc rrd rrg rri rrm rrr