a-a a-c aaa aac aad aam aao aar aas ac- aca acc acd acm aco acr acs ad- ada adc add adm ado adr ads ama amc amd amm amo amr ams aoa aoc aod aom aoo aor aos ar- ara arc ard arm aro arr ars as- asa asc asd asm aso asr ass c-- caa cac cad cam cao car cas cca ccc ccd ccm cco ccr ccs cda cdc cdd cdm cdo cdr cds cma cmc cmd cmm cmo cmr cms co- coa coc cod com coo cor cos cra crc crd crm cro crr crs csa csc csd csm cso csr css daa dac dad dam dao dar das dca dcc dcd dcm dco dcr dcs dda ddc ddd ddm ddo ddr dds dma dmc dmd dmm dmo dmr dms doa doc dod dom doo dor dos dra drc drd drm dro drr drs dsa dsc dsd dsm dso dsr dss m-o m-r maa mac mad mam mao mar mas mc- mca mcc mcd mcm mco mcr mcs mda mdc mdd mdm mdo mdr mds mma mmc mmd mmm mmo mmr mms moa moc mod mom moo mor mos mra mrc mrd mrm mro mrr mrs msa msc msd msm mso msr mss oaa oac oad oam oao oar oas oc- oca occ ocd ocm oco ocr ocs oda odc odd odm odo odr ods om- oma omc omd omm omo omr oms oo- ooa ooc ood oom ooo oor oos or- ora orc ord orm oro orr ors os- osa osc osd osm oso osr oss ra- raa rac rad ram rao rar ras rca rcc rcd rcm rco rcr rcs rda rdc rdd rdm rdo rdr rds rma rmc rmd rmm rmo rmr rms roa roc rod rom roo ror ros rra rrc rrd rrm rrr rrs rsa rsc rsd rsm rso rsr rss saa sac sad sam sao sar sas sca scc scd scm sco scr scs sda sdc sdd sdm sdo sdr sds sma smc smd smm smo smr sms soa soc sod som soo sor sos sr- sra src srd srm sro srr srs ss- ssa ssc ssd ssm sso ssr sss