a-a aaa aad aam aar aas ad- ada add adm adr ads ama amd amm amr ams ar- ara ard arm arr ars as- asa asd asm asr ass daa dad dam dar das dda ddd ddm ddr dds dma dmd dmm dmr dms dra drd drm drr drs dsa dsd dsm dsr dss m-r maa mad mam mar mas mda mdd mdm mdr mds mma mmd mmm mmr mms mra mrd mrm mrr mrs msa msd msm msr mss ra- raa rad ram rar ras rda rdd rdm rdr rds rma rmd rmm rmr rms rra rrd rrm rrr rrs rsa rsd rsm rsr rss saa sad sam sar sas sda sdd sdm sdr sds sma smd smm smr sms sr- sra srd srm srr srs ss- ssa ssd ssm ssr sss