a-a aaa aad aam aao aar aas ad- ada add adm ado adr ads ama amd amm amo amr ams aoa aod aom aoo aor aos ar- ara ard arm aro arr ars as- asa asd asm aso asr ass daa dad dam dao dar das dda ddd ddm ddo ddr dds dma dmd dmm dmo dmr dms doa dod dom doo dor dos dra drd drm dro drr drs dsa dsd dsm dso dsr dss m-o m-r maa mad mam mao mar mas mda mdd mdm mdo mdr mds mma mmd mmm mmo mmr mms moa mod mom moo mor mos mra mrd mrm mro mrr mrs msa msd msm mso msr mss oaa oad oam oao oar oas oda odd odm odo odr ods om- oma omd omm omo omr oms oo- ooa ood oom ooo oor oos or- ora ord orm oro orr ors os- osa osd osm oso osr oss ra- raa rad ram rao rar ras rda rdd rdm rdo rdr rds rma rmd rmm rmo rmr rms roa rod rom roo ror ros rra rrd rrm rrr rrs rsa rsd rsm rso rsr rss saa sad sam sao sar sas sda sdd sdm sdo sdr sds sma smd smm smo smr sms soa sod som soo sor sos sr- sra srd srm sro srr srs ss- ssa ssd ssm sso ssr sss