-er -ic c-- ccc cce ccf ccg cci ccn ccr ccs ce- cec cee cef ceg cei cen cer ces cfc cfe cff cfg cfi cfn cfr cfs cgc cge cgg cgi cgn cgr cgs ci- cic cie cif cig cii cin cir cis cn- cnc cne cnf cng cni cnn cnr cns crc cre crf crg cri crn crr crs csc cse csf csg csi csn csr css ec- ecc ece ecf ecg eci ecn ecr ecs eec eee eef eeg een eer ees ef- efc efe eff efg efi efr efs egc ege egf egg egi egn egr egs eic eie eif eig eii ein eir eis en- enc ene enf eng eni enn enr ens erc ere erf erg eri ern err ers es- esc ese esf esg esi esn esr ess fcc fce fcf fcg fci fcn fcr fcs fec fee fef feg fei fen fer fes ffc ffe fff ffg ffi ffn ffr ffs fgc fge fgf fgg fgi fgn fgr fgs fic fie fif fig fii fin fir fis fnc fne fnf fng fni fnn fnr fns frc fre frf frg fri frn frr frs fsc fse fsf fsg fsi fsn fsr fss gcc gce gcf gcg gci gcn gcr gcs ge- gec gee gef geg gei gen ger ges gfc gfe gff gfi gfr gfs ggc ggg ggi ggn ggr ggs gic gie gif gig gii gin gir gis gnc gne gnf gni gnn gnr gns grc gre grf grg gri grn grr grs gsc gse gsf gsg gsi gsn gsr gss i-f icc ice icf icg ici icn icr ics ie- iec iee ief ieg iei ien ier ies ifc ife iff ifg ifi ifn ifr ifs igc ige igf igg igi ign igr igs iic iie iif iii iin iir iis in- inc ine inf ing ini inn inr ins ir- irc ire irf irg iri irn irr irs is- isc ise isf isg isi isn isr iss n-i ncc nce ncf ncg nci ncn ncr ncs ne- nec nee nef neg nei nen ner nes nfc nfe nff nfi nfn nfr nfs ngc nge ngf ngg ngi ngn ngs nic nie nif nig nii nin nir nis nnc nne nnf nng nni nnn nns nrc nre nrf nrg nri nrn nrr nrs nsc nse nsf nsg nsi nsn nsr nss rcc rce rcf rcg rci rcn rcr rcs re- rec ree ref reg rei ren rer res rfc rfe rff rfg rfi rfn rfr rfs rgc rge rgf rgg rgi rgn rgr rgs ric rie rif rig rii rin rir ris rnc rng rni rnn rnr rns rrc rrf rrg rri rrn rrr rrs rsc rse rsf rsg rsi rsn rsr rss scc sce scf scg sci scn scr scs se- sec see sef seg sei sen ser ses sfc sfe sff sfg sfi sfn sfr sfs sgc sge sgf sgg sgi sgn sgr sgs sic sie sif sig sii sin sir sis snc sne snf sng sni snn snr sns sr- src sre srf srg sri srn srr srs ss- ssc sse ssf ssg ssi ssn ssr sss