-er -ic c-- ccc cce ccf ccg cci ccm cco ccr ce- cec cee cef ceg cei cem ceo cer cfc cfe cff cfg cfi cfm cfo cfr cgc cge cgg cgi cgm cgo cgr ci- cic cie cif cig cii cim cio cir cmc cme cmf cmg cmi cmm cmo cmr co- coc coe cof cog coi com coo cor crc cre crf crg cri crm cro crr ec- ecc ece ecf ecg eci ecm eco ecr eec eee eef eeg eem eeo eer ef- efc efe eff efg efi efm efo efr egc ege egf egg egi egm ego egr eic eie eif eig eii eim eio eir em- emc eme emf emg emi emm emo emr eo- eoc eoe eof eog eoi eom eoo eor erc ere erf erg eri erm ero err fcc fce fcf fcg fci fcm fco fcr fec fee fef feg fei fem feo fer ffc ffe fff ffg ffi ffm ffo ffr fgc fge fgf fgg fgi fgm fgr fic fie fif fig fii fim fir fmc fme fmf fmg fmi fmm fmo fmr foc foe fof fog foi fom foo for frc fre frf frg fri frm fro frr gcc gce gcf gcg gci gcm gco gcr ge- gec gee gef geg gei gem geo ger gfc gfe gff gfi gfm gfo gfr ggc ggg ggi ggm ggo ggr gic gie gif gig gii gim gio gir gmc gme gmf gmg gmi gmm gmo gmr goc goe gof gog goi gom goo gor grc gre grf grg gri grm gro grr i-f icc ice icf icg ici icm ico icr ie- iec iee ief ieg iei iem ier ifc ife iff ifg ifi ifm ifo ifr igc ige igf igg igi igm igo igr iic iie iif iii iim iio iir im- imc ime imf img imi imm imo io- ioc ioe iof iog ioi iom ioo ior ir- irc ire irf irg iri irm iro irr m-f m-o m-r mc- mcc mce mcf mcg mci mcm mco mcr mec mee mef meg mei mem meo mer mfc mfe mff mfg mfi mfm mfo mfr mgc mge mgf mgi mgm mgo mgr mi- mic mie mif mig mii mim mio mir mmc mme mmf mmg mmi mmm mmo mmr moc moe mof mog moi mom moo mor mrc mre mrf mrg mri mrm mro mrr o-i oc- occ ocf ocg oci ocm oco ocr oec oee oef oeg oei oem oeo oer of- ofc ofe off ofg ofi ofm ofo ofr ogc oge ogf ogg ogi ogo oic oie oif oii oim oio oir om- omc ome omf omg omi omm omo omr oo- ooc oof oog ooi oom ooo oor or- orc ore orf org ori orm oro orr rcc rce rcf rcg rci rcm rco rcr re- rec ree ref reg rei rem reo rer rfc rfe rff rfg rfi rfm rfo rfr rgc rge rgf rgg rgi rgo rgr ric rie rif rig rii rim rio rir rmc rme rmf rmg rmi rmm rmo rmr roc roe rof rog roi rom roo ror rrc rrf rrg rri rrm rrr