-er -ic c-- ccc ccd cce ccg cci ccn cco ccp ccr ccs cdc cdd cde cdg cdi cdn cdo cdp cdr cds ce- cec ced cee ceg cei cen ceo cep cer ces cgc cgd cge cgg cgi cgn cgo cgp cgr cgs ci- cic cid cie cig cii cin cio cip cir cis cn- cnc cnd cne cng cni cnn cno cnp cnr cns co- coc cod coe cog coi con coo cop cor cos cpc cpd cpe cpg cpi cpn cpo cpp cpr cps crc crd cre crg cri crn cro crp crr crs csc csd cse csg csi csn cso csp csr css dcc dcd dce dcg dci dcn dco dcp dcr dcs ddc ddd dde ddg ddi ddn ddo ddp ddr dds de- dec ded dee deg dei den deo dep der des dgc dgd dge dgg dgi dgn dgp dgr dgs di- dic did die dig dii din dio dip dir dis dnc dnd dne dng dni dnn dno dnp dnr dns doc dod doe dog doi don doo dop dor dos dpc dpd dpe dpg dpi dpn dpo dpp dpr dps drc drd dre drg dri drn dro drp drr drs dsc dsd dse dsg dsi dsn dso dsp dsr dss ec- ecc ecd ece ecg eci ecn eco ecr ecs ed- edc edd ede edg edi edn edo edp edr eds eec eed eee eeg een eeo eep eer ees egc egd ege egg egi egn ego egp egr egs eic eid eie eig eii ein eio eip eir eis en- enc end ene eng eni enn eno enp enr ens eo- eoc eod eoe eog eoi eon eoo eop eor eos ep- epc epd epe epg epi epn epo epp epr eps erc erd ere erg eri ern ero erp err ers es- esc esd ese esg esi esn eso esp esr ess g-d g-p gcc gcd gce gcg gci gcn gco gcp gcr gcs gdc gdd gde gdi gdn gdo gdp gdr gds ge- gec ged gee geg gei gen geo gep ger ges ggc ggd ggg ggi ggn ggo ggp ggr ggs gic gid gie gig gii gin gio gip gir gis gnc gnd gne gni gnn gno gnp gnr gns goc god goe gog goi gon goo gop gor gos gpc gpd gpe gpg gpi gpn gpo gpp gpr gps grc grd gre grg gri grn gro grp grr grs gsc gsd gse gsg gsi gsn gso gsp gsr gss i-d icc icd ice icg ici icn ico icp icr ics idc idd ide idg idi idn ido idp idr ids ie- iec ied iee ieg iei ien iep ier ies igc igd ige igg igi ign igo igp igr igs iic iid iie iii iin iio iip iir iis in- inc ind ine ing ini inn ino inp inr ins io- ioc iod ioe iog ioi ion ioo iop ior ios ipc ipd ipe ipg ipi ipn ipo ipp ipr ips ir- irc ird ire irg iri irn iro irp irr irs is- isc isd ise isg isi isn iso isp isr iss n-i ncc ncd nce ncg nci ncn nco ncp ncr ncs ndc ndd nde ndg ndi ndn ndo ndp ndr nds ne- nec ned nee neg nei nen neo nep ner nes ngc ngd nge ngg ngi ngn ngo ngp ngs nic nid nie nig nii nin nio nip nir nis nnc nne nng nni nnn nno nnp nns no- noc nod noe nog noi non noo nop nor nos npc npd npe npg npi npn npo npp npr nps nrc nrd nre nrg nri nrn nro nrp nrr nrs nsc nsd nse nsg nsi nsn nso nsp nsr nss o-i oc- occ ocd ocg oci ocn oco ocp ocr ocs odc odd ode odg odi odn odo odp odr ods oec oed oee oeg oei oen oeo oep oer oes ogc ogd oge ogg ogi ogn ogo ogp ogs oic oid oie oii oin oio oip oir ois on- onc ond one ong oni onn ono onp onr ons oo- ooc ood oog ooi oon ooo oop oor oos op- opc opd ope opg opi opn opo opp opr ops or- orc ord ore org ori orn oro orp orr ors os- osc osd ose osg osi osn oso osp osr oss p-p pcc pcd pce pcg pci pcn pco pcp pcr pcs pdc pdd pde pdg pdi pdn pdo pdp pdr pds pec ped pee peg pei pen peo pep per pes pgc pgd pge pgg pgi pgn pgo pgp pgr pgs pic pid pie pig pii pin pio pip pir pis pn- pnc pnd pne png pni pnn pno pnp pnr pns poc pod poe pog poi pon poo pop por pos ppc ppd ppe ppg ppi ppn ppo ppp ppr pps prc prd pre prg pri prn pro prp prr prs ps- psc psd pse psg psi psn pso psp psr pss rcc rcd rce rcg rci rcn rco rcp rcr rcs rdc rdd rde rdg rdi rdn rdo rdp rdr rds re- rec red ree reg rei ren reo rep rer res rgc rgd rge rgg rgi rgn rgo rgp rgr rgs ric rid rie rig rii rin rio rip rir ris rnc rnd rng rni rnn rno rnp rnr rns roc rod roe rog roi ron roo rop ror ros rpc rpd rpe rpg rpi rpn rpo rpp rpr rps rrc rrd rrg rri rrn rrp rrr rrs rsc rsd rse rsg rsi rsn rso rsp rsr rss scc scd sce scg sci scn sco scp scr scs sdc sdd sde sdg sdi sdn sdo sdp sdr sds se- sec sed see seg sei sen seo sep ser ses sgc sgd sge sgg sgi sgn sgo sgp sgr sgs sic sid sie sig sii sin sio sip sir sis snc snd sne sng sni snn sno snp snr sns soc sod soe sog soi son soo sop sor sos spc spd spe spg spi spn spo spp spr