-er a-a aaa aae aag aak aao aar aas aav aea aee aeg aek aeo aer aes aev ag- aga age agg agk ago agr ags agv aka ake akg akk ako akr aks akv aoa aoe aog aok aoo aor aos aov ar- ara are arg ark aro arr ars arv as- asa ase asg ask aso asr ass asv av- ava ave avg avk avo avr avs eaa eae eag eak eao ear eas eav eea eee eeg eek eeo eer ees eev ega ege egg ego egr egs eka eke ekg eko ekr eks ekv eo- eoa eoe eog eok eoo eor eos era ere erg erk ero err ers erv es- esa ese esg esk eso esr ess esv eva eve evg evo evr evs evv gaa gae gag gak gao gar gas gav ge- gea gee geg gek geo ger ges gev gga ggg ggo ggr ggs ggv gka gko gks goa goe gog gok goo gor gos gov gra gre grg grk gro grr grs grv gsa gse gsg gsk gso gsr gss gsv gva gve gvg gvk gvo gvr gvs ka- kaa kae kag kak kao kar kas kav ke- kea kee keg kek keo ker kes kev kga kgo kgs kgv kke kkk kkr kks kkv koa koe kog kok koo kor kos kra krg krk kro krr krs krv ksa kse ksg ksk kso ksr kss ksv kva kvk kvo kvr kvs kvv oaa oae oag oak oao oar oas oav oea oee oeg oeo oer oes oga oge ogg ogo ogs oka oke okg okk oko okr oks oo- ooa oog ook ooo oor oos oov or- ora ore org ork oro orr ors orv os- osa ose osg osk oso osr oss osv ov- ova ove ovo ovs ovv ra- raa rae rag rak rao rar ras rav re- rea ree reg rek reo rer res rev rga rge rgg rgk rgo rgr rgs rgv rke rkg rkk rko rks rkv roa roe rog rok roo ror ros rov rra rrg rrk rrr rrs rsa rse rsg rsk rso rsr rss rsv rva rve rvg rvo rvr rvs rvv saa sae sag sak sao sar sas sav se- sea see seg sek seo ser ses sev sga sge sgg sgk sgo sgr sgs sgv sk- ska ske skg skk sko skr sks soa soe sog sok soo sor sos sov sr- sra sre srg srk sro srr srs srv ss- ssa sse ssg ssk sso ssr sss ssv sva sve svg svk svo svr svs svv v-a v-e vaa vae vag vak vao var vas vav vea vee veg vek veo ver ves vga vgg vgo vgr vgs vka vkg voa voe vog vok voo vor vos vov vra vre vrg vrk vrr vrs vsa vse vsg vsk vso vsr vss vsv vva vvg vvo vvr vvs vvv