-er a-a a-t aaa aae aag aao aar aas aat aea aee aeg aeo aer aes aet ag- aga age agg ago agr ags agt aoa aoe aog aoo aor aos aot ar- ara are arg aro arr ars art as- asa ase asg aso asr ass ast at- ata ate atg ato atr ats att eaa eae eag eao ear eas eat eea eee eeg eeo eer ees eet ega ege egg ego egr egs egt eo- eoa eoe eog eoo eor eos eot era ere erg ero err ers ert es- esa ese esg eso esr ess est eta ete etg eto etr ets ett gaa gae gag gao gar gas gat ge- gea gee geg geo ger ges get gga ggg ggo ggr ggs ggt goa goe gog goo gor gos got gra gre grg gro grr grs grt gsa gse gsg gso gsr gss gst gta gte gtg gto gtr gts gtt oaa oae oag oao oar oas oat oea oee oeg oeo oer oes oet oga oge ogg ogo ogs ogt oo- ooa oog ooo oor oos oot or- ora ore org oro orr ors ort os- osa ose osg oso osr oss ost ot- ota ote otg oto otr ots ott ra- raa rae rag rao rar ras rat re- rea ree reg reo rer res ret rga rge rgg rgo rgr rgs rgt roa roe rog roo ror ros rot rra rrg rrr rrs rrt rsa rse rsg rso rsr rss rst rta rte rtg rto rtr rts rtt saa sae sag sao sar sas sat se- sea see seg seo ser ses set sga sge sgg sgo sgr sgs sgt soa soe sog soo sor sos sot sr- sra sre srg sro srr srs srt ss- ssa sse ssg sso ssr sss sst sta ste stg sto str sts stt taa tae tag tao tar tas tat te- tea tee teg teo ter tes tet tga tge tgg tgo tgr tgs tgt to- toa toe tog too tor tos tot tra tre trg tro trr trs trt tsa tse tsg tso tsr tss tst tta tte ttg tto ttr tts ttt