-er a-a a-t aaa aae aag aak aao aar aas aat aea aee aeg aek aeo aer aes aet ag- aga age agg agk ago agr ags agt aka ake akg akk ako akr aks aoa aoe aog aok aoo aor aos aot ar- ara are arg ark aro arr ars art as- asa ase asg ask aso asr ass ast at- ata ate atg ato atr ats att eaa eae eag eak eao ear eas eat eea eee eeg eek eeo eer ees eet ega ege egg ego egr egs egt eka eke ekg eko ekr eks ekt eo- eoa eoe eog eok eoo eor eos eot era ere erg erk ero err ers ert es- esa ese esg esk eso esr ess est eta ete etg etk eto etr ets ett gaa gae gag gak gao gar gas gat ge- gea gee geg gek geo ger ges get gga ggg ggo ggr ggs ggt gka gko gks gkt goa goe gog gok goo gor gos got gra gre grg grk gro grr grs grt gsa gse gsg gsk gso gsr gss gst gta gte gtg gtk gto gtr gts gtt k-t ka- kaa kae kag kak kao kar kas kat ke- kea kee keg kek keo ker kes ket kga kgo kgs kke kkk kkr kks kkt koa koe kog kok koo kor kos kot kra krg krk kro krr krs krt ksa kse ksg ksk kso ksr kss kst kta kte ktg ktk kto ktr kts ktt oaa oae oag oak oao oar oas oat oea oee oeg oeo oer oes oet oga oge ogg ogo ogs ogt oka oke okg okk oko okr oks oo- ooa oog ook ooo oor oos oot or- ora ore org ork oro orr ors ort os- osa ose osg osk oso osr oss ost ot- ota ote otg otk oto otr ots ott ra- raa rae rag rak rao rar ras rat re- rea ree reg rek reo rer res ret rga rge rgg rgk rgo rgr rgs rgt rke rkg rkk rko rks rkt roa roe rog rok roo ror ros rot rra rrg rrk rrr rrs rrt rsa rse rsg rsk rso rsr rss rst rta rte rtg rtk rto rtr rts rtt saa sae sag sak sao sar sas sat se- sea see seg sek seo ser ses set sga sge sgg sgk sgo sgr sgs sgt sk- ska ske skg skk sko skr sks skt soa soe sog sok soo sor sos sot sr- sra sre srg srk sro srr srs srt ss- ssa sse ssg ssk sso ssr sss sst sta ste stg stk sto str sts stt taa tae tag tak tao tar tas tat te- tea tee teg tek teo ter tes tet tga tge tgg tgk tgo tgr tgs tgt tka tke tkg tkk tko tkr tks tkt to- toa toe tog tok too tor tos tot tra tre trg trk tro trr trs trt tsa tse tsg tsk tso tsr tss tst tta tte ttg ttk tto ttr tts ttt