a-a a-t aaa aag aam aao aas aat ag- aga agg agm ago ags agt ama amg amm amo ams amt aoa aog aom aoo aos aot as- asa asg asm aso ass ast at- ata atg atm ato ats att gaa gag gam gao gas gat gga ggg ggm ggo ggs ggt gma gmg gmm gmo gms gmt goa gog gom goo gos got gsa gsg gsm gso gss gst gta gtg gtm gto gts gtt m-o maa mag mam mao mas mat mga mgm mgo mgs mgt mma mmg mmm mmo mms mmt moa mog mom moo mos mot msa msg msm mso mss mst mta mtg mtm mto mts mtt oaa oag oam oao oas oat oga ogg ogo ogs ogt om- oma omg omm omo oms omt oo- ooa oog oom ooo oos oot os- osa osg osm oso oss ost ot- ota otg otm oto ots ott saa sag sam sao sas sat sga sgg sgm sgo sgs sgt sma smg smm smo sms smt soa sog som soo sos sot ss- ssa ssg ssm sso sss sst sta stg stm sto sts stt taa tag tam tao tas tat tga tgg tgm tgo tgs tgt tma tmg tmm tmo tms tmt to- toa tog tom too tos tot tsa tsg tsm tso tss tst tta ttg ttm tto tts ttt