a-a a-c a-t aaa aac aad aam aao aas aat ac- aca acc acd acm aco acs act ad- ada adc add adm ado ads adt ama amc amd amm amo ams amt aoa aoc aod aom aoo aos aot as- asa asc asd asm aso ass ast at- ata atc atd atm ato ats att c-- caa cac cad cam cao cas cat cca ccc ccd ccm cco ccs cct cda cdc cdd cdm cdo cds cdt cma cmc cmd cmm cmo cms cmt co- coa coc cod com coo cos cot csa csc csd csm cso css cst cta ctc ctd ctm cto cts ctt daa dac dad dam dao das dat dca dcc dcd dcm dco dcs dct dda ddc ddd ddm ddo dds ddt dma dmc dmd dmm dmo dms dmt doa doc dod dom doo dos dot dsa dsc dsd dsm dso dss dst dta dtc dtd dtm dto dts dtt m-o maa mac mad mam mao mas mat mc- mca mcc mcd mcm mco mcs mct mda mdc mdd mdm mdo mds mdt mma mmc mmd mmm mmo mms mmt moa moc mod mom moo mos mot msa msc msd msm mso mss mst mta mtc mtd mtm mto mts mtt oaa oac oad oam oao oas oat oc- oca occ ocd ocm oco ocs oct oda odc odd odm odo ods odt om- oma omc omd omm omo oms omt oo- ooa ooc ood oom ooo oos oot os- osa osc osd osm oso oss ost ot- ota otc otd otm oto ots ott saa sac sad sam sao sas sat sca scc scd scm sco scs sct sda sdc sdd sdm sdo sds sdt sma smc smd smm smo sms smt soa soc sod som soo sos sot ss- ssa ssc ssd ssm sso sss sst sta stc std stm sto sts stt taa tac tad tam tao tas tat tca tcc tcd tcm tco tcs tct tda tdc tdd tdm tdo tds tdt tma tmc tmd tmm tmo tms tmt to- toa toc tod tom too tos tot tsa tsc tsd tsm tso tss tst tta ttc ttd ttm tto tts ttt