-er a-a aaa aad aae aag aak aao aar aas aav ad- ada add ade adg adk ado adr ads adv aea aed aee aeg aek aeo aer aes aev ag- aga agd age agg agk ago agr ags agv aka akd ake akg akk ako akr aks akv aoa aod aoe aog aok aoo aor aos aov ar- ara ard are arg ark aro arr ars arv as- asa asd ase asg ask aso asr ass asv av- ava avd ave avg avk avo avr avs daa dad dae dag dak dao dar das dav dda ddd dde ddg ddk ddo ddr dds de- dea ded dee deg dek deo der des dev dga dgd dge dgg dgk dgr dgs dka dke dkg dkk dko dkr dks doa dod doe dog dok doo dor dos dov dra drd dre drg drk dro drr drs drv dsa dsd dse dsg dsk dso dsr dss dsv dva dvd dve dvg dvk dvr dvs eaa ead eae eag eak eao ear eas eav ed- eda edd ede edg edk edo edr eds eea eed eee eeg eek eeo eer ees eev ega egd ege egg ego egr egs eka ekd eke ekg eko ekr eks ekv eo- eoa eod eoe eog eok eoo eor eos era erd ere erg erk ero err ers erv es- esa esd ese esg esk eso esr ess esv eva evd eve evg evo evr evs evv g-d gaa gad gae gag gak gao gar gas gav gda gdd gde gdk gdo gdr gds gdv ge- gea ged gee geg gek geo ger ges gev gga ggd ggg ggo ggr ggs ggv gka gkd gko gks goa god goe gog gok goo gor gos gov gra grd gre grg grk gro grr grs grv gsa gsd gse gsg gsk gso gsr gss gsv gva gvd gve gvg gvk gvo gvr gvs ka- kaa kad kae kag kak kao kar kas kav kda kde kdg kdk kdo kdr kds ke- kea ked kee keg kek keo ker kes kev kga kgd kgo kgs kgv kke kkk kkr kks kkv koa kod koe kog kok koo kor kos kra krd krg krk kro krr krs krv ksa ksd kse ksg ksk kso ksr kss ksv kva kvk kvo kvr kvs kvv oaa oad oae oag oak oao oar oas oav oda odd ode odg odo odr ods odv oea oed oee oeg oeo oer oes oga ogd oge ogg ogo ogs oka okd oke okg okk oko okr oks oo- ooa ood oog ook ooo oor oos oov or- ora ord ore org ork oro orr ors orv os- osa osd ose osg osk oso osr oss osv ov- ova ovd ove ovo ovs ovv ra- raa rad rae rag rak rao rar ras rav rda rdd rde rdg rdo rdr rds rdv re- rea red ree reg rek reo rer res rev rga rgd rge rgg rgk rgo rgr rgs rgv rke rkg rkk rko rks rkv roa rod roe rog rok roo ror ros rov rra rrd rrg rrk rrr rrs rsa rsd rse rsg rsk rso rsr rss rsv rva rvd rve rvg rvo rvr rvs rvv saa sad sae sag sak sao sar sas sav sda sdd sde sdg sdk sdo sdr sds sdv se- sea sed see seg sek seo ser ses sev sga sgd sge sgg sgk sgo sgr sgs sgv sk- ska skd ske skg skk sko skr sks soa sod soe sog sok soo sor sos sov sr- sra srd sre srg srk sro srr srs srv ss- ssa ssd sse ssg ssk sso ssr sss ssv sva svd sve svg svk svo svr svs svv v-a v-e vaa vad vae vag vak vao var vas vav vdd vde vdg vdk vdo vdr vds vdv vea ved vee veg vek veo ver ves vga vgg vgo vgr vgs vka vkg voa vod voe vog vok voo vor vos vov vra vrd vre vrg vrk vrr vrs vsa vsd vse vsg vsk vso vsr vss vsv vva vvg vvo vvr vvs vvv