-er a-a a-t aaa aad aae aag aao aar aas aat ad- ada add ade adg ado adr ads adt aea aed aee aeg aeo aer aes aet ag- aga agd age agg ago agr ags agt aoa aod aoe aog aoo aor aos aot ar- ara ard are arg aro arr ars art as- asa asd ase asg aso asr ass ast at- ata atd ate atg ato atr ats att daa dad dae dag dao dar das dat dda ddd dde ddg ddo ddr dds ddt de- dea ded dee deg deo der des det dga dgd dge dgg dgr dgs dgt doa dod doe dog doo dor dos dot dra drd dre drg dro drr drs drt dsa dsd dse dsg dso dsr dss dst dta dtd dte dtg dto dtr dts dtt eaa ead eae eag eao ear eas eat ed- eda edd ede edg edo edr eds edt eea eed eee eeg eeo eer ees eet ega egd ege egg ego egr egs egt eo- eoa eod eoe eog eoo eor eos eot era erd ere erg ero err ers ert es- esa esd ese esg eso esr ess est eta etd ete etg eto etr ets ett g-d gaa gad gae gag gao gar gas gat gda gdd gde gdo gdr gds gdt ge- gea ged gee geg geo ger ges get gga ggd ggg ggo ggr ggs ggt goa god goe gog goo gor gos got gra grd gre grg gro grr grs grt gsa gsd gse gsg gso gsr gss gst gta gtd gte gtg gto gtr gts gtt oaa oad oae oag oao oar oas oat oda odd ode odg odo odr ods odt oea oed oee oeg oeo oer oes oet oga ogd oge ogg ogo ogs ogt oo- ooa ood oog ooo oor oos oot or- ora ord ore org oro orr ors ort os- osa osd ose osg oso osr oss ost ot- ota otd ote otg oto otr ots ott ra- raa rad rae rag rao rar ras rat rda rdd rde rdg rdo rdr rds rdt re- rea red ree reg reo rer res ret rga rgd rge rgg rgo rgr rgs rgt roa rod roe rog roo ror ros rot rra rrd rrg rrr rrs rrt rsa rsd rse rsg rso rsr rss rst rta rtd rte rtg rto rtr rts rtt saa sad sae sag sao sar sas sat sda sdd sde sdg sdo sdr sds sdt se- sea sed see seg seo ser ses set sga sgd sge sgg sgo sgr sgs sgt soa sod soe sog soo sor sos sot sr- sra srd sre srg sro srr srs srt ss- ssa ssd sse ssg sso ssr sss sst sta std ste stg sto str sts stt taa tad tae tag tao tar tas tat tda tdd tde tdg tdo tdr tds tdt te- tea ted tee teg teo ter tes tet tga tge tgg tgo tgr tgs tgt to- toa tod toe tog too tor tos tot tra trd tre trg tro trr trs trt tsa tsd tse tsg tso tsr tss tst tta ttd tte ttg tto ttr tts ttt