-er a-a a-c a-t aaa aac aad aae aaf aag aan aao aar aas aat aau ac- aca acc acd ace acf acg acn aco acr acs act acu ad- ada adc add ade adf adg adn ado adr ads adt adu aea aec aed aee aef aeg aen aeo aer aes aet aeu af- afa afc afd afe aff afg afn afo afr afs aft afu ag- aga agc agd age agf agg agn ago agr ags agt agu an- ana anc and ane anf ang ann ano anr ans ant anu aoa aoc aod aoe aof aog aon aoo aor aos aot aou ar- ara arc ard are arf arg arn aro arr ars art aru as- asa asc asd ase asf asg asn aso asr ass ast asu at- ata atc atd ate atf atg atn ato atr ats att atu au- aua auc aud aue auf aug aun auo aur aus aut c-- caa cac cad cae caf cag can cao car cas cat cau cca ccc ccd cce ccf ccg ccn cco ccr ccs cct ccu cda cdc cdd cde cdf cdg cdn cdo cdr cds cdt cdu ce- cea cec ced cee cef ceg cen ceo cer ces cet ceu cfa cfc cfd cfe cff cfg cfn cfo cfr cfs cft cfu cga cgc cgd cge cgg cgn cgo cgr cgs cgt cgu cn- cna cnc cnd cne cnf cng cnn cno cnr cns cnt cnu co- coa coc cod coe cof cog con coo cor cos cot cou cra crc crd cre crf crg crn cro crr crs crt cru csa csc csd cse csf csg csn cso csr css cst csu cta ctc ctd cte ctf ctg ctn cto ctr cts ctt ctu cua cuc cud cue cuf cug cun cuo cur cus cut cuu daa dac dad dae daf dag dan dao dar das dat dau dca dcc dcd dce dcf dcg dcn dco dcr dcs dct dcu dda ddc ddd dde ddf ddg ddn ddo ddr dds ddt ddu de- dea dec ded dee def deg den deo der des det deu dfa dfc dfd dfe dff dfg dfn dfo dfr dfs dft dfu dga dgc dgd dge dgf dgg dgn dgr dgs dgt dgu dna dnc dnd dne dnf dng dnn dno dnr dns dnt doa doc dod doe dof dog don doo dor dos dot dou dra drc drd dre drg drn dro drr drs drt dru dsa dsc dsd dse dsf dsg dsn dso dsr dss dst dsu dta dtc dtd dte dtf dtg dtn dto dtr dts dtt dtu dua duc dud due duf dug dun duo dur dus dut eaa eac ead eae eaf eag ean eao ear eas eat eau ec- eca ecc ecd ece ecf ecg ecn eco ecr ecs ect ecu ed- eda edc edd ede edf edg edn edo edr eds edt edu 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 egu en- ena enc end ene enf eng enn eno enr ens ent enu eo- eoa eoc eod eoe eof eog eon eoo eor eos eot eou era erc erd ere erf erg ern ero err ers ert eru es- esa esc esd ese esf esg esn eso esr ess est esu eta etc etd ete etf etg etn eto etr ets ett etu eu- eua euc eud eue euf eug eun eur eus eut faa fac fad fae faf fag fan fao far fas fat fau fca fcc fcd fce fcf fcg fcn fco fcr fcs fct fcu fda fdc fdd fde fdf fdg fdn fdo fdr fds fdt fdu fea fec fed fee fef feg fen feo fer fes fet feu ffa ffc ffd ffe fff ffg ffn ffo ffr ffs fft ffu fga fgc fgd fge fgf fgg fgn fgr fgs fgt fna fnc fnd fne fnf fng fnn fnr fns fnt fnu foa foc foe fof fog fon foo for fos fot fou fra frc frd fre frf frg frn fro frr frs frt fru fsa fsc fsd fse fsf fsg fsn fso fsr fss fst fsu fta ftc ftd fte ftf ftg ftn fto ftr fts ftt ftu fua fud fue fuf fug fun fuo fur fus fut fuu g-d gaa gac gad gae gaf gag gan gao gar gas gat gau gca gcc gcd gce gcf gcg gcn gco gcr gcs gct gcu gda gdc gdd gde gdf gdn gdo gdr gds gdt gdu ge- gea gec ged gee gef geg gen geo ger ges get geu gfa gfc gfd gfe gff gfo gfr gfs gft gga ggc ggd ggg ggn ggo ggr ggs ggt ggu gna gnc gnd gne gnf gnn gno gnr gns gnt gnu goa goc god goe gof gog gon goo gor gos got gou gra grc grd gre grf grg grn gro grr grs grt gru gsa gsc gsd gse gsf gsg gsn gso gsr gss gst gsu gta gtc gtd gte gtf gtg gtn gto gtr gts gtt gtu gu- gua guc gud gue guf gug gun guo gur gus gut guu naa nac nad nae naf nag nan nao nar nas nat nau nca ncc ncd nce ncf ncg ncn nco ncr ncs nct ncu nda ndc ndd nde ndf ndg ndn ndo ndr nds ndt ndu ne- nea nec ned nee nef neg nen neo ner nes net neu nfa nfc nfd nfe nff nfn nfo nfr nfs nft nfu nga ngc ngd nge ngf ngg ngn ngo ngs ngt ngu nna nnc nne nnf nng nnn nno nns nnt nnu no- noa noc nod noe nof nog non noo nor nos not nou nra nrc nrd nre nrf nrg nrn nro nrr nrs nrt nru nsa nsc nsd nse nsf nsg nsn nso nsr nss nst nsu nta ntc ntd nte ntf ntg ntn nto ntr nts ntt ntu nua