-er -ic c-- ccc ccd cce ccf ccg cci ccm ccr cdc cdd cde cdf cdg cdi cdm cdr ce- cec ced cee cef ceg cei cem cer cfc cfd cfe cff cfg cfi cfm cfr cgc cgd cge cgg cgi cgm cgr ci- cic cid cie cif cig cii cim cir cmc cmd cme cmf cmg cmi cmm cmr crc crd cre crf crg cri crm crr dcc dcd dce dcf dcg dci dcm dcr ddc ddd dde ddf ddg ddi ddm ddr de- dec ded dee def deg dei dem der dfc dfd dfe dff dfg dfi dfm dfr dgc dgd dge dgf dgg dgi dgm dgr di- dic did die dif dig dii dim dir dmc dmd dme dmf dmg dmi dmm dmr drc drd dre drg dri drm drr ec- ecc ecd ece ecf ecg eci ecm ecr ed- edc edd ede edf edg edi edm edr eec eed eee eef eeg eem eer ef- efc efd efe eff efg efi efm efr egc egd ege egf egg egi egm egr eic eid eie eif eig eii eim eir em- emc emd eme emf emg emi emm emr erc erd ere erf erg eri erm err fcc fcd fce fcf fcg fci fcm fcr fdc fdd fde fdf fdg fdi fdm fdr fec fed fee fef feg fei fem fer ffc ffd ffe fff ffg ffi ffm ffr fgc fgd fge fgf fgg fgi fgm fgr fic fid fie fif fig fii fim fir fmc fmd fme fmf fmg fmi fmm fmr frc frd fre frf frg fri frm frr g-d gcc gcd gce gcf gcg gci gcm gcr gdc gdd gde gdf gdi gdm gdr ge- gec ged gee gef geg gei gem ger gfc gfd gfe gff gfi gfm gfr ggc ggd ggg ggi ggm ggr gic gid gie gif gig gii gim gir gmc gmd gme gmf gmg gmi gmm gmr grc grd gre grf grg gri grm grr i-d i-f icc icd ice icf icg ici icm icr idc idd ide idf idg idi idm idr ie- iec ied iee ief ieg iei iem ier ifc ifd ife iff ifg ifi ifm ifr igc igd ige igf igg igi igm igr iic iid iie iif iii iim iir im- imc imd ime imf img imi imm ir- irc ird ire irf irg iri irm irr m-f m-r mc- mcc mcd mce mcf mcg mci mcm mcr mdc mdd mde mdf mdg mdi mdm mdr mec med mee mef meg mei mem mer mfc mfd mfe mff mfg mfi mfm mfr mgc mgd mge mgf mgi mgm mgr mi- mic mid mie mif mig mii mim mir mmc mmd mme mmf mmg mmi mmm mmr mrc mrd mre mrf mrg mri mrm mrr rcc rcd rce rcf rcg rci rcm rcr rdc rdd rde rdf rdg rdi rdm rdr re- rec red ree ref reg rei rem rer rfc rfd rfe rff rfg rfi rfm rfr rgc rgd rge rgf rgg rgi rgr ric rid rie rif rig rii rim rir rmc rmd rme rmf rmg rmi rmm rmr rrc rrd rrf rrg rri rrm rrr