-er a-a aaa aae aag aam aao aar aas aax aea aee aeg aem aeo aer aes aex ag- aga age agg agm ago agr ags agx ama ame amg amm amo amr ams amx aoa aoe aog aom aoo aor aos aox ar- ara are arg arm aro arr ars arx as- asa ase asg asm aso asr ass asx ax- axa axe axm axo axr axs axx eaa eae eag eam eao ear eas eax eea eee eeg eem eeo eer ees eex ega ege egg egm ego egr egs egx em- ema eme emg emm emo emr ems emx eo- eoa eoe eog eom eoo eor eos era ere erg erm ero err ers es- esa ese esg esm eso esr ess esx ex- exa exe exo exr exs exx gaa gae gag gam gao gar gas ge- gea gee geg gem geo ger ges gex gga ggg ggm ggo ggr ggs gma gme gmg gmm gmo gmr gms gmx goa goe gog gom goo gor gos gox gra gre grg grm gro grr grs grx gsa gse gsg gsm gso gsr gss gsx gxa gxs m-o m-r maa mae mag mam mao mar mas max mea mee meg mem meo mer mes mex mga mge mgm mgo mgr mgs mgx mma mme mmg mmm mmo mmr mms mmx moa moe mog mom moo mor mos mox mra mre mrg mrm mro mrr mrs mrx msa mse msg msm mso msr mss msx mxa mxr mxs oaa oae oag oam oao oar oas oax oea oee oeg oem oeo oer oes oex oga oge ogg ogo ogs ogx om- oma ome omg omm omo omr oms omx oo- ooa oog oom ooo oor oos oox or- ora ore org orm oro orr ors orx os- osa ose osg osm oso osr oss osx ox- oxa oxo oxx ra- raa rae rag ram rao rar ras rax re- rea ree reg rem reo rer res rex rga rge rgg rgo rgr rgs rgx rma rme rmg rmm rmo rmr rms rmx roa roe rog rom roo ror ros rox rra rrg rrm rrr rrs rsa rse rsg rsm rso rsr rss rsx rxr rxs saa sae sag sam sao sar sas sax se- sea see seg sem seo ser ses sex sga sge sgg sgm sgo sgr sgs sgx sma sme smg smm smo smr sms smx soa soe sog som soo sor sos sox sr- sra sre srg srm sro srr srs srx ss- ssa sse ssg ssm sso ssr sss ssx sxm sxs xaa xag xam xar xas xee xeg xem xer xes xex xge xma xmg xmm xmo xmr xms xmx xoa xog xom xoo xor xos xox xrx xsa xsm xss xxo xxx