a-a a-t aaa aam aar aas aat ama amm amr ams amt ar- ara arm arr ars art as- asa asm asr ass ast at- ata atm atr ats att m-r maa mam mar mas mat mma mmm mmr mms mmt mra mrm mrr mrs mrt msa msm msr mss mst mta mtm mtr mts mtt ra- raa ram rar ras rat rma rmm rmr rms rmt rra rrm rrr rrs rrt rsa rsm rsr rss rst rta rtm rtr rts rtt saa sam sar sas sat sma smm smr sms smt sr- sra srm srr srs srt ss- ssa ssm ssr sss sst sta stm str sts stt taa tam tar tas tat tma tmm tmr tms tmt tra trm trr trs trt tsa tsm tsr tss tst tta ttm ttr tts ttt