-er -ic c-- ccc ccd cce ccf ccg cci ccn cco ccr cdc cdd cde cdf cdg cdi cdn cdo cdr ce- cec ced cee cef ceg cei cen ceo cer cfc cfd cfe cff cfg cfi cfn cfo cfr cgc cgd cge cgg cgi cgn cgo cgr ci- cic cid cie cif cig cii cin cio cir cn- cnc cnd cne cnf cng cni cnn cno cnr co- coc cod coe cof cog coi con coo cor crc crd cre crf crg cri crn cro crr dcc dcd dce dcf dcg dci dcn dco dcr ddc ddd dde ddf ddg ddi ddn ddo ddr de- dec ded dee def deg dei den deo der dfc dfd dfe dff dfg dfi dfn dfo dfr dgc dgd dge dgf dgg dgi dgn dgr di- dic did die dif dig dii din dio dir dnc dnd dne dnf dng dni dnn dno dnr doc dod doe dof dog doi don doo dor drc drd dre drg dri drn dro drr ec- ecc ecd ece ecf ecg eci ecn eco ecr ed- edc edd ede edf edg edi edn edo edr eec eed eee eef eeg een eeo eer ef- efc efd efe eff efg efi efo efr egc egd ege egf egg egi egn ego egr eic eid eie eif eig eii ein eio eir en- enc end ene enf eng eni enn eno enr eo- eoc eod eoe eof eog eoi eon eoo eor erc erd ere erf erg eri ern ero err fcc fcd fce fcf fcg fci fcn fco fcr fdc fdd fde fdf fdg fdi fdn fdo fdr fec fed fee fef feg fei fen feo fer ffc ffd ffe fff ffg ffi ffn ffo ffr fgc fgd fge fgf fgg fgi fgn fgr fic fid fie fif fig fii fin fir fnc fnd fne fnf fng fni fnn fnr foc foe fof fog foi fon foo for frc frd fre frf frg fri frn fro frr g-d gcc gcd gce gcf gcg gci gcn gco gcr gdc gdd gde gdf gdi gdn gdo gdr ge- gec ged gee gef geg gei gen geo ger gfc gfd gfe gff gfi gfo gfr ggc ggd ggg ggi ggn ggo ggr gic gid gie gif gig gii gin gio gir gnc gnd gne gnf gni gnn gno gnr goc god goe gof gog goi gon goo gor grc grd gre grf grg gri grn gro grr i-d i-f icc icd ice icf icg ici icn ico icr idc idd ide idf idg idi idn ido idr ie- iec ied iee ief ieg iei ien ier ifc ifd ife iff ifg ifi ifn ifo ifr igc igd ige igf igg igi ign igo igr iic iid iie iif iii iin iio iir in- inc ind ine inf ing ini inn ino inr io- ioc iod ioe iof iog ioi ion ioo ior ir- irc ird ire irf irg iri irn iro irr n-i ncc ncd nce ncf ncg nci ncn nco ncr ndc ndd nde ndf ndg ndi ndn ndo ndr ne- nec ned nee nef neg nei nen neo ner nfc nfd nfe nff nfi nfn nfo nfr ngc ngd nge ngf ngg ngi ngn ngo nic nid nie nif nig nii nin nio nir nnc nne nnf nng nni nnn nno no- noc nod noe nof nog noi non noo nor nrc nrd nre nrf nrg nri nrn nro nrr o-i oc- occ ocd ocf ocg oci ocn oco ocr odc odd ode odf odg odi odn odo odr oec oed oee oef oeg oei oen oeo oer of- ofc ofd ofe off ofg ofi ofn ofo ofr ogc ogd oge ogf ogg ogi ogn ogo oic oid oie oif oii oin oio oir on- onc ond one onf ong oni onn ono onr oo- ooc ood oof oog ooi oon ooo oor or- orc ord ore orf org ori orn oro orr rcc rcd rce rcf rcg rci rcn rco rcr rdc rdd rde rdf rdg rdi rdn rdo rdr re- rec red ree ref reg rei ren reo rer rfc rfd rfe rff rfg rfi rfn rfo rfr rgc rgd rge rgf rgg rgi rgn rgo rgr ric rid rie rif rig rii rin rio rir rnc rnd rng rni rnn rno rnr roc rod roe rof rog roi ron roo ror rrc rrd rrf rrg rri rrn rrr