-er c-- ccc ccd cce ccf ccg ccl ccn ccr cdc cdd cde cdf cdg cdl cdn cdr ce- cec ced cee cef ceg cel cen cer cfc cfd cfe cff cfg cfl cfn cfr cgc cgd cge cgg cgl cgn cgr cl- clc cld cle clf clg cll cln clr cn- cnc cnd cne cnf cng cnl cnn cnr crc crd cre crf crg crl crn crr dcc dcd dce dcf dcg dcl dcn dcr ddc ddd dde ddf ddg ddl ddn ddr de- dec ded dee def deg del den der dfc dfd dfe dff dfg dfl dfn dfr dgc dgd dge dgf dgg dgl dgn dgr dl- dlc dld dle dlf dlg dll dlr dnc dnd dne dnf dng dnl dnn dnr drc drd dre drg drl drn drr ec- ecc ecd ece ecf ecg ecl ecn ecr ed- edc edd ede edf edg edl edn edr eec eed eee eef eeg eel een eer ef- efc efd efe eff efg efl efr egc egd ege egf egg egl egn egr elc eld ele elf elg ell eln elr en- enc end ene enf eng enl enn enr erc erd ere erf erg erl ern err fcc fcd fce fcf fcg fcl fcn fcr fdc fdd fde fdf fdg fdl fdn fdr fec fed fee fef feg fel fen fer ffc ffd ffe fff ffg ffl ffn ffr fgc fgd fge fgf fgg fgl fgn fgr flc fld fle flf flg fll fln flr fnc fnd fne fnf fng fnl fnn fnr frc frd fre frf frg frl frn frr g-d gcc gcd gce gcf gcg gcl gcn gcr gdc gdd gde gdf gdl gdn gdr ge- gec ged gee gef geg gel gen ger gfc gfd gfe gff gfl gfr ggc ggd ggg ggn ggr glc gld gle glf glg gll gln glr gnc gnd gne gnf gnl gnn gnr grc grd gre grf grg grl grn grr lcc lcd lce lcf lcg lcl lcn lcr ldc ldd lde ldf ldg ldl ldn ldr lec led lee lef leg lel len ler lfc lfd lfe lff lfg lfl lfn lfr lgc lgd lge lgf lgg lgl lgn lgr llc lld lle llf llg lll lln llr lnc lnd lne lng lnl lnn lnr lrc lrd lrf lrg lrn lrr ncc ncd nce ncf ncg ncl ncn ncr ndc ndd nde ndf ndg ndl ndn ndr ne- nec ned nee nef neg nel nen ner nfc nfd nfe nff nfl nfn nfr ngc ngd nge ngf ngg ngl ngn nlc nld nle nlf nlg nll nln nlr nnc nne nnf nng nnl nnn nrc nrd nre nrf nrg nrl nrn nrr rcc rcd rce rcf rcg rcl rcn rcr rdc rdd rde rdf rdg rdl rdn rdr re- rec red ree ref reg rel ren rer rfc rfd rfe rff rfg rfl rfn rfr rgc rgd rge rgf rgg rgn rgr rlc rld rle rlf rlg rll rln rlr rnc rnd rng rnn rnr rrc rrd rrf rrg rrl rrn rrr