-er -ic c-- ccc ccd cce ccg cci ccn ccp ccr cdc cdd cde cdg cdi cdn cdp cdr ce- cec ced cee ceg cei cen cep cer cgc cgd cge cgg cgi cgn cgp cgr ci- cic cid cie cig cii cin cip cir cn- cnc cnd cne cng cni cnn cnp cnr cpc cpd cpe cpg cpi cpn cpp cpr crc crd cre crg cri crn crp crr dcc dcd dce dcg dci dcn dcp dcr ddc ddd dde ddg ddi ddn ddp ddr de- dec ded dee deg dei den dep der dgc dgd dge dgg dgi dgn dgp dgr di- dic did die dig dii din dip dir dnc dnd dne dng dni dnn dnp dnr dpc dpd dpe dpg dpi dpn dpp dpr drc drd dre drg dri drn drp drr ec- ecc ecd ece ecg eci ecn ecr ed- edc edd ede edg edi edn edp edr eec eed eee eeg een eep eer egc egd ege egg egi egn egp egr eic eid eie eig eii ein eip eir en- enc end ene eng eni enn enp enr ep- epc epd epe epg epi epn epp epr erc erd ere erg eri ern erp err g-d g-p gcc gcd gce gcg gci gcn gcp gcr gdc gdd gde gdi gdn gdp gdr ge- gec ged gee geg gei gen gep ger ggc ggd ggg ggi ggn ggp ggr gic gid gie gig gii gin gip gir gnc gnd gne gni gnn gnp gnr gpc gpd gpe gpg gpi gpn gpp gpr grc grd gre grg gri grn grp grr i-d icc icd ice icg ici icn icp icr idc idd ide idg idi idn idp idr ie- iec ied iee ieg iei ien iep ier igc igd ige igg igi ign igp igr iic iid iie iii iin iip iir in- inc ind ine ing ini inn inp inr ipc ipd ipe ipg ipi ipn ipp ipr ir- irc ird ire irg iri irn irp irr n-i ncc ncd nce ncg nci ncn ncp ncr ndc ndd nde ndg ndi ndn ndp ndr ne- nec ned nee neg nei nen nep ner ngc ngd nge ngg ngi ngn ngp nic nid nie nig nii nin nip nir nnc nne nng nni nnn nnp npc npd npe npg npi npn npp npr nrc nrd nre nrg nri nrn nrp nrr p-p pcc pcd pce pcg pci pcn pcp pcr pdc pdd pde pdg pdi pdn pdp pdr pec ped pee peg pei pen pep per pgc pgd pge pgg pgi pgn pgp pgr pic pid pie pig pii pin pip pir pn- pnc pnd pne png pni pnn pnp pnr ppc ppd ppe ppg ppi ppn ppp ppr prc prd pre prg pri prn prp prr rcc rcd rce rcg rci rcn rcp rcr rdc rdd rde rdg rdi rdn rdp rdr re- rec red ree reg rei ren rep rer rgc rgd rge rgg rgi rgn rgp rgr ric rid rie rig rii rin rip rir rnc rnd rng rni rnn rnp rnr rpc rpd rpe rpg rpi rpn rpp rpr rrc rrd rrg rri rrn rrp rrr