-er -ic c-- ccc ccd cce ccf ccg cci ccn cco ccr ccs cdc cdd cde cdf cdg cdi cdn cdo cdr cds ce- cec ced cee cef ceg cei cen ceo cer ces cfc cfd cfe cff cfg cfi cfn cfo cfr cfs cgc cgd cge cgg cgi cgn cgo cgr cgs ci- cic cid cie cif cig cii cin cio cir cis cn- cnc cnd cne cnf cng cni cnn cno cnr cns co- coc cod coe cof cog coi con coo cor cos crc crd cre crf crg cri crn cro crr crs csc csd cse csf csg csi csn cso csr css dcc dcd dce dcf dcg dci dcn dco dcr dcs ddc ddd dde ddf ddg ddi ddn ddo ddr dds de- dec ded dee def deg dei den deo der des dfc dfd dfe dff dfg dfi dfn dfo dfr dfs dgc dgd dge dgf dgg dgi dgn dgr dgs di- dic did die dif dig dii din dio dir dis dnc dnd dne dnf dng dni dnn dno dnr dns doc dod doe dof dog doi don doo dor dos drc drd dre drg dri drn dro drr drs dsc dsd dse dsf dsg dsi dsn dso dsr dss ec- ecc ecd ece ecf ecg eci ecn eco ecr ecs ed- edc edd ede edf edg edi edn edo edr eds eec eed eee eef eeg een eeo eer ees ef- efc efd efe eff efg efi efo efr efs egc egd ege egf egg egi egn ego egr egs eic eid eie eif eig eii ein eio eir eis en- enc end ene enf eng eni enn eno enr ens eo- eoc eod eoe eof eog eoi eon eoo eor eos erc erd ere erf erg eri ern ero err ers es- esc esd ese esf esg esi esn eso esr ess fcc fcd fce fcf fcg fci fcn fco fcr fcs fdc fdd fde fdf fdg fdi fdn fdo fdr fds fec fed fee fef feg fei fen feo fer fes ffc ffd ffe fff ffg ffi ffn ffo ffr ffs fgc fgd fge fgf fgg fgi fgn fgr fgs fic fid fie fif fig fii fin fir fis fnc fnd fne fnf fng fni fnn fnr fns foc foe fof fog foi fon foo for fos frc frd fre frf frg fri frn fro frr frs fsc fsd fse fsf fsg fsi fsn fso fsr fss g-d gcc gcd gce gcf gcg gci gcn gco gcr gcs gdc gdd gde gdf gdi gdn gdo gdr gds ge- gec ged gee gef geg gei gen geo ger ges gfc gfd gfe gff gfi gfo gfr gfs ggc ggd ggg ggi ggn ggo ggr ggs gic gid gie gif gig gii gin gio gir gis gnc gnd gne gnf gni gnn gno gnr gns goc god goe gof gog goi gon goo gor gos grc grd gre grf grg gri grn gro grr grs gsc gsd gse gsf gsg gsi gsn gso gsr gss i-d i-f icc icd ice icf icg ici icn ico icr ics idc idd ide idf idg idi idn ido idr ids ie- iec ied iee ief ieg iei ien ier ies ifc ifd ife iff ifg ifi ifn ifo ifr ifs igc igd ige igf igg igi ign igo igr igs iic iid iie iif iii iin iio iir iis in- inc ind ine inf ing ini inn ino inr ins io- ioc iod ioe iof iog ioi ion ioo ior ios ir- irc ird ire irf irg iri irn iro irr irs is- isc isd ise isf isg isi isn iso isr iss n-i ncc ncd nce ncf ncg nci ncn nco ncr ncs ndc ndd nde ndf ndg ndi ndn ndo ndr nds ne- nec ned nee nef neg nei nen neo ner nes nfc nfd nfe nff nfi nfn nfo nfr nfs ngc ngd nge ngf ngg ngi ngn ngo ngs nic nid nie nif nig nii nin nio nir nis nnc nne nnf nng nni nnn nno nns no- noc nod noe nof nog noi non noo nor nos nrc nrd nre nrf nrg nri nrn nro nrr nrs nsc nsd nse nsf nsg nsi nsn nso nsr nss o-i oc- occ ocd ocf ocg oci ocn oco ocr ocs odc odd ode odf odg odi odn odo odr ods oec oed oee oef oeg oei oen oeo oer oes of- ofc ofd ofe off ofg ofi ofn ofo ofr ofs ogc ogd oge ogf ogg ogi ogn ogo ogs oic oid oie oif oii oin oio oir ois on- onc ond one onf ong oni onn ono onr ons oo- ooc ood oof oog ooi oon ooo oor oos or- orc ord ore orf org ori orn oro orr ors os- osc osd ose osf osg osi osn oso osr oss rcc rcd rce rcf rcg rci rcn rco rcr rcs rdc rdd rde rdf rdg rdi rdn rdo rdr rds re- rec red ree ref reg rei ren reo rer res rfc rfd rfe rff rfg rfi rfn rfo rfr rfs rgc rgd rge rgf rgg rgi rgn rgo rgr rgs ric rid rie rif rig rii rin rio rir ris rnc rnd rng rni rnn rno rnr rns roc rod roe rof rog roi ron roo ror ros rrc rrd rrf rrg rri rrn rrr rrs rsc rsd rse rsf rsg rsi rsn rso rsr rss scc scd sce scf scg sci scn sco scr scs sdc sdd sde sdf sdg sdi sdn sdo sdr sds se- sec sed see sef seg sei sen seo ser ses sfc sfd sfe sff sfg sfi sfn sfo sfr sfs sgc sgd sge sgf sgg sgi sgn sgo sgr sgs sic sid sie sif sig sii sin sio sir sis snc snd sne snf sng sni snn sno snr sns soc sod soe sof sog soi son soo sor sos sr- src srd sre srf srg sri srn sro srr srs ss- ssc