-er a-a a-t aaa aad aae aaf aag aao aar aas aat ad- ada add ade adf adg ado adr ads adt aea aed aee aef aeg aeo aer aes aet af- afa afd afe aff afg afo afr afs aft ag- aga agd age agf agg ago agr ags agt aoa aod aoe aof aog aoo aor aos aot ar- ara ard are arf arg aro arr ars art as- asa asd ase asf asg aso asr ass ast at- ata atd ate atf atg ato atr ats att daa dad dae daf dag dao dar das dat dda ddd dde ddf ddg ddo ddr dds ddt de- dea ded dee def deg deo der des det dfa dfd dfe dff dfg dfo dfr dfs dft dga dgd dge dgf dgg dgr dgs dgt doa dod doe dof dog doo dor dos dot dra drd dre drg dro drr drs drt dsa dsd dse dsf dsg dso dsr dss dst dta dtd dte dtf dtg dto dtr dts dtt eaa ead eae eaf eag eao ear eas eat ed- eda edd ede edf edg edo edr eds edt eea eed eee eef eeg eeo eer ees eet ef- efa efd efe eff efg efo efr efs eft ega egd ege egf egg ego egr egs egt eo- eoa eod eoe eof eog eoo eor eos eot era erd ere erf erg ero err ers ert es- esa esd ese esf esg eso esr ess est eta etd ete etf etg eto etr ets ett faa fad fae faf fag fao far fas fat fda fdd fde fdf fdg fdo fdr fds fdt fea fed fee fef feg feo fer fes fet ffa ffd ffe fff ffg ffo ffr ffs fft fga fgd fge fgf fgg fgr fgs fgt foa foe fof fog foo for fos fot fra frd fre frf frg fro frr frs frt fsa fsd fse fsf fsg fso fsr fss fst fta ftd fte ftf ftg fto ftr fts ftt g-d gaa gad gae gaf gag gao gar gas gat gda gdd gde gdf gdo gdr gds gdt ge- gea ged gee gef geg geo ger ges get gfa gfd gfe gff gfo gfr gfs gft gga ggd ggg ggo ggr ggs ggt goa god goe gof gog goo gor gos got gra grd gre grf grg gro grr grs grt gsa gsd gse gsf gsg gso gsr gss gst gta gtd gte gtf gtg gto gtr gts gtt oaa oad oae oaf oag oao oar oas oat oda odd ode odf odg odo odr ods odt oea oed oee oef oeg oeo oer oes oet of- ofa ofd ofe off ofg ofo ofr ofs oft oga ogd oge ogf ogg ogo ogs ogt oo- ooa ood oof oog ooo oor oos oot or- ora ord ore orf org oro orr ors ort os- osa osd ose osf osg oso osr oss ost ot- ota otd ote otf otg oto otr ots ott ra- raa rad rae raf rag rao rar ras rat rda rdd rde rdf rdg rdo rdr rds rdt re- rea red ree ref reg reo rer res ret rfa rfd rfe rff rfg rfo rfr rfs rft rga rgd rge rgf rgg rgo rgr rgs rgt roa rod roe rof rog roo ror ros rot rra rrd rrf rrg rrr rrs rrt rsa rsd rse rsf rsg rso rsr rss rst rta rtd rte rtf rtg rto rtr rts rtt saa sad sae saf sag sao sar sas sat sda sdd sde sdf sdg sdo sdr sds sdt se- sea sed see sef seg seo ser ses set sfa sfd sfe sff sfg sfo sfr sfs sft sga sgd sge sgf sgg sgo sgr sgs sgt soa sod soe sof sog soo sor sos sot sr- sra srd sre srf srg sro srr srs srt ss- ssa ssd sse ssf ssg sso ssr sss sst sta std ste stf stg sto str sts stt taa tad tae taf tag tao tar tas tat tda tdd tde tdf tdg tdo tdr tds tdt te- tea ted tee tef teg teo ter tes tet tfa tfd tfe tff tfg tfo tfr tfs tft tga tge tgf tgg tgo tgr tgs tgt to- toa tod toe tof tog too tor tos tot tra trd tre trf trg tro trr trs trt tsa tsd tse tsf tsg tso tsr tss tst tta ttd tte ttf ttg tto ttr tts ttt