-er a-a aaa aae aag aam aar aax aea aee aeg aem aer aex ag- aga age agg agm agr agx ama ame amg amm amr amx ar- ara are arg arm arr arx ax- axa axe axm axr axx eaa eae eag eam ear eax eea eee eeg eem eer eex ega ege egg egm egr egx em- ema eme emg emm emr emx era ere erg erm err ex- exa exe exr exx gaa gae gag gam gar ge- gea gee geg gem ger gex gga ggg ggm ggr gma gme gmg gmm gmr gmx gra gre grg grm grr grx gxa m-r maa mae mag mam mar max mea mee meg mem mer mex mga mge mgm mgr mgx mma mme mmg mmm mmr mmx mra mre mrg mrm mrr mrx mxa mxr ra- raa rae rag ram rar rax re- rea ree reg rem rer rex rga rge rgg rgr rgx rma rme rmg rmm rmr rmx rra rrg rrm rrr rxr xaa xag xam xar xee xeg xem xer xex xge xma xmg xmm xmr xmx xrx xxx