-er -ic c-- ccc cce ccg cci ccm cco ccr ce- cec cee ceg cei cem ceo cer cgc cge cgg cgi cgm cgo cgr ci- cic cie cig cii cim cio cir cmc cme cmg cmi cmm cmo cmr co- coc coe cog coi com coo cor crc cre crg cri crm cro crr ec- ecc ece ecg eci ecm eco ecr eec eee eeg eem eeo eer egc ege egg egi egm ego egr eic eie eig eii eim eio eir em- emc eme emg emi emm emo emr eo- eoc eoe eog eoi eom eoo eor erc ere erg eri erm ero err gcc gce gcg gci gcm gco gcr ge- gec gee geg gei gem geo ger ggc ggg ggi ggm ggo ggr gic gie gig gii gim gio gir gmc gme gmg gmi gmm gmo gmr goc goe gog goi gom goo gor grc gre grg gri grm gro grr icc ice icg ici icm ico icr ie- iec iee ieg iei iem ier igc ige igg igi igm igo igr iic iie iii iim iio iir im- imc ime img imi imm imo io- ioc ioe iog ioi iom ioo ior ir- irc ire irg iri irm iro irr m-o m-r mc- mcc mce mcg mci mcm mco mcr mec mee meg mei mem meo mer mgc mge mgi mgm mgo mgr mi- mic mie mig mii mim mio mir mmc mme mmg mmi mmm mmo mmr moc moe mog moi mom moo mor mrc mre mrg mri mrm mro mrr o-i oc- occ ocg oci ocm oco ocr oec oee oeg oei oem oeo oer ogc oge ogg ogi ogo oic oie oii oim oio oir om- omc ome omg omi omm omo omr oo- ooc oog ooi oom ooo oor or- orc ore org ori orm oro orr rcc rce rcg rci rcm rco rcr re- rec ree reg rei rem reo rer rgc rge rgg rgi rgo rgr ric rie rig rii rim rio rir rmc rme rmg rmi rmm rmo rmr roc roe rog roi rom roo ror rrc rrg rri rrm rrr