-er a-a aaa aae aag aam aao aar aax aea aee aeg aem aeo aer aex ag- aga age agg agm ago agr agx ama ame amg amm amo amr amx aoa aoe aog aom aoo aor aox ar- ara are arg arm aro arr arx ax- axa axe axm axo axr axx eaa eae eag eam eao ear eax eea eee eeg eem eeo eer eex ega ege egg egm ego egr egx em- ema eme emg emm emo emr emx eo- eoa eoe eog eom eoo eor era ere erg erm ero err ex- exa exe exo exr exx gaa gae gag gam gao gar ge- gea gee geg gem geo ger gex gga ggg ggm ggo ggr gma gme gmg gmm gmo gmr gmx goa goe gog gom goo gor gox gra gre grg grm gro grr grx gxa m-o m-r maa mae mag mam mao mar max mea mee meg mem meo mer mex mga mge mgm mgo mgr mgx mma mme mmg mmm mmo mmr mmx moa moe mog mom moo mor mox mra mre mrg mrm mro mrr mrx mxa mxr oaa oae oag oam oao oar oax oea oee oeg oem oeo oer oex oga oge ogg ogo ogx om- oma ome omg omm omo omr omx oo- ooa oog oom ooo oor oox or- ora ore org orm oro orr orx ox- oxa oxo oxx ra- raa rae rag ram rao rar rax re- rea ree reg rem reo rer rex rga rge rgg rgo rgr rgx rma rme rmg rmm rmo rmr rmx roa roe rog rom roo ror rox rra rrg rrm rrr rxr xaa xag xam xar xee xeg xem xer xex xge xma xmg xmm xmo xmr xmx xoa xog xom xoo xor xox xrx xxo xxx