a-a a-t aaa aad aam aas aat ad- ada add adm ads adt ama amd amm ams amt as- asa asd asm ass ast at- ata atd atm ats att daa dad dam das dat dda ddd ddm dds ddt dma dmd dmm dms dmt dsa dsd dsm dss dst dta dtd dtm dts dtt maa mad mam mas mat mda mdd mdm mds mdt mma mmd mmm mms mmt msa msd msm mss mst mta mtd mtm mts mtt saa sad sam sas sat sda sdd sdm sds sdt sma smd smm sms smt ss- ssa ssd ssm sss sst sta std stm sts stt taa tad tam tas tat tda tdd tdm tds tdt tma tmd tmm tms tmt tsa tsd tsm tss tst tta ttd ttm tts ttt