-er a-a a-c a-t aaa aac aad aae aaf aag aan aao aar aas aat ac- aca acc acd ace acf acg acn aco acr acs act ad- ada adc add ade adf adg adn ado adr ads adt aea aec aed aee aef aeg aen aeo aer aes aet af- afa afc afd afe aff afg afn afo afr afs aft ag- aga agc agd age agf agg agn ago agr ags agt an- ana anc and ane anf ang ann ano anr ans ant aoa aoc aod aoe aof aog aon aoo aor aos aot ar- ara arc ard are arf arg arn aro arr ars art as- asa asc asd ase asf asg asn aso asr ass ast at- ata atc atd ate atf atg atn ato atr ats att c-- caa cac cad cae caf cag can cao car cas cat cca ccc ccd cce ccf ccg ccn cco ccr ccs cct cda cdc cdd cde cdf cdg cdn cdo cdr cds cdt ce- cea cec ced cee cef ceg cen ceo cer ces cet cfa cfc cfd cfe cff cfg cfn cfo cfr cfs cft cga cgc cgd cge cgg cgn cgo cgr cgs cgt cn- cna cnc cnd cne cnf cng cnn cno cnr cns cnt co- coa coc cod coe cof cog con coo cor cos cot cra crc crd cre crf crg crn cro crr crs crt csa csc csd cse csf csg csn cso csr css cst cta ctc ctd cte ctf ctg ctn cto ctr cts ctt daa dac dad dae daf dag dan dao dar das dat dca dcc dcd dce dcf dcg dcn dco dcr dcs dct dda ddc ddd dde ddf ddg ddn ddo ddr dds ddt de- dea dec ded dee def deg den deo der des det dfa dfc dfd dfe dff dfg dfn dfo dfr dfs dft dga dgc dgd dge dgf dgg dgn dgr dgs dgt dna dnc dnd dne dnf dng dnn dno dnr dns dnt doa doc dod doe dof dog don doo dor dos dot dra drc drd dre drg drn dro drr drs drt dsa dsc dsd dse dsf dsg dsn dso dsr dss dst dta dtc dtd dte dtf dtg dtn dto dtr dts dtt eaa eac ead eae eaf eag ean eao ear eas eat ec- eca ecc ecd ece ecf ecg ecn eco ecr ecs ect ed- eda edc edd ede edf edg edn edo edr eds edt eea eec eed eee eef eeg een eeo eer ees eet ef- efa efc efd efe eff efg efo efr efs eft ega egc egd ege egf egg egn ego egr egs egt en- ena enc end ene enf eng enn eno enr ens ent eo- eoa eoc eod eoe eof eog eon eoo eor eos eot era erc erd ere erf erg ern ero err ers ert es- esa esc esd ese esf esg esn eso esr ess est eta etc etd ete etf etg etn eto etr ets ett faa fac fad fae faf fag fan fao far fas fat fca fcc fcd fce fcf fcg fcn fco fcr fcs fct fda fdc fdd fde fdf fdg fdn fdo fdr fds fdt fea fec fed fee fef feg fen feo fer fes fet ffa ffc ffd ffe fff ffg ffn ffo ffr ffs fft fga fgc fgd fge fgf fgg fgn fgr fgs fgt fna fnc fnd fne fnf fng fnn fnr fns fnt foa foc foe fof fog fon foo for fos fot fra frc frd fre frf frg frn fro frr frs frt fsa fsc fsd fse fsf fsg fsn fso fsr fss fst fta ftc ftd fte ftf ftg ftn fto ftr fts ftt g-d gaa gac gad gae gaf gag gan gao gar gas gat gca gcc gcd gce gcf gcg gcn gco gcr gcs gct gda gdc gdd gde gdf gdn gdo gdr gds gdt ge- gea gec ged gee gef geg gen geo ger ges get gfa gfc gfd gfe gff gfo gfr gfs gft gga ggc ggd ggg ggn ggo ggr ggs ggt gna gnc gnd gne gnf gnn gno gnr gns gnt goa goc god goe gof gog gon goo gor gos got gra grc grd gre grf grg grn gro grr grs grt gsa gsc gsd gse gsf gsg gsn gso gsr gss gst gta gtc gtd gte gtf gtg gtn gto gtr gts gtt naa nac nad nae naf nag nan nao nar nas nat nca ncc ncd nce ncf ncg ncn nco ncr ncs nct nda ndc ndd nde ndf ndg ndn ndo ndr nds ndt ne- nea nec ned nee nef neg nen neo ner nes net nfa nfc nfd nfe nff nfn nfo nfr nfs nft nga ngc ngd nge ngf ngg ngn ngo ngs ngt nna nnc nne nnf nng nnn nno nns nnt no- noa noc nod noe nof nog non noo nor nos not nra nrc nrd nre nrf nrg nrn nro nrr nrs nrt nsa nsc nsd nse nsf nsg nsn nso nsr nss nst nta ntc ntd nte ntf ntg ntn nto ntr nts ntt oaa oac oad oae oaf oag oan oao oar oas oat oc- oca occ ocd ocf ocg ocn oco ocr ocs oct oda odc odd ode odf odg odn odo odr ods odt oea oec oed oee oef oeg oen oeo oer oes oet of- ofa ofc ofd ofe off ofg ofn ofo ofr ofs oft oga ogc ogd oge ogf ogg ogn ogo ogs ogt on- ona onc ond one onf ong onn ono onr ons ont oo- ooa ooc ood oof oog oon ooo oor oos oot or- ora orc ord ore orf org orn oro orr ors ort os- osa osc osd ose osf osg osn oso osr oss ost ot- ota otc otd ote otf otg otn oto otr ots ott ra- raa rac rad rae raf rag ran rao rar ras rat rca rcc rcd rce rcf rcg