-er -ic c-- ccc ccd cce ccg cci ccn ccr cdc cdd cde cdg cdi cdn cdr ce- cec ced cee ceg cei cen cer cgc cgd cge cgg cgi cgn cgr ci- cic cid cie cig cii cin cir cn- cnc cnd cne cng cni cnn cnr crc crd cre crg cri crn crr dcc dcd dce dcg dci dcn dcr ddc ddd dde ddg ddi ddn ddr de- dec ded dee deg dei den der dgc dgd dge dgg dgi dgn dgr di- dic did die dig dii din dir dnc dnd dne dng dni dnn dnr drc drd dre drg dri drn drr ec- ecc ecd ece ecg eci ecn ecr ed- edc edd ede edg edi edn edr eec eed eee eeg een eer egc egd ege egg egi egn egr eic eid eie eig eii ein eir en- enc end ene eng eni enn enr erc erd ere erg eri ern err g-d gcc gcd gce gcg gci gcn gcr gdc gdd gde gdi gdn gdr ge- gec ged gee geg gei gen ger ggc ggd ggg ggi ggn ggr gic gid gie gig gii gin gir gnc gnd gne gni gnn gnr grc grd gre grg gri grn grr i-d icc icd ice icg ici icn icr idc idd ide idg idi idn idr ie- iec ied iee ieg iei ien ier igc igd ige igg igi ign igr iic iid iie iii iin iir in- inc ind ine ing ini inn inr ir- irc ird ire irg iri irn irr n-i ncc ncd nce ncg nci ncn ncr ndc ndd nde ndg ndi ndn ndr ne- nec ned nee neg nei nen ner ngc ngd nge ngg ngi ngn nic nid nie nig nii nin nir nnc nne nng nni nnn nrc nrd nre nrg nri nrn nrr rcc rcd rce rcg rci rcn rcr rdc rdd rde rdg rdi rdn rdr re- rec red ree reg rei ren rer rgc rgd rge rgg rgi rgn rgr ric rid rie rig rii rin rir rnc rnd rng rni rnn rnr rrc rrd rrg rri rrn rrr