-er a-a aaa aad aae aam aar ad- ada add ade adm adr aea aed aee aem aer ama amd ame amm amr ar- ara ard are arm arr daa dad dae dam dar dda ddd dde ddm ddr de- dea ded dee dem der dma dmd dme dmm dmr dra drd dre drm drr eaa ead eae eam ear ed- eda edd ede edm edr eea eed eee eem eer em- ema emd eme emm emr era erd ere erm err m-r maa mad mae mam mar mda mdd mde mdm mdr mea med mee mem mer mma mmd mme mmm mmr mra mrd mre mrm mrr ra- raa rad rae ram rar rda rdd rde rdm rdr re- rea red ree rem rer rma rmd rme rmm rmr rra rrd rrm rrr