a-a a-c a-t aaa aac aaf aag aam aao aar aat ac- aca acc acf acg acm aco acr act af- afa afc aff afg afm afo afr aft ag- aga agc agf agg agm ago agr agt ama amc amf amg amm amo amr amt aoa aoc aof aog aom aoo aor aot ar- ara arc arf arg arm aro arr art at- ata atc atf atg atm ato atr att c-- caa cac caf cag cam cao car cat cca ccc ccf ccg ccm cco ccr cct cfa cfc cff cfg cfm cfo cfr cft cga cgc cgg cgm cgo cgr cgt cma cmc cmf cmg cmm cmo cmr cmt co- coa coc cof cog com coo cor cot cra crc crf crg crm cro crr crt cta ctc ctf ctg ctm cto ctr ctt faa fac faf fag fam fao far fat fca fcc fcf fcg fcm fco fcr fct ffa ffc fff ffg ffm ffo ffr fft fga fgc fgf fgg fgm fgr fgt fma fmc fmf fmg fmm fmo fmr fmt foa foc fof fog fom foo for fot fra frc frf frg frm fro frr frt fta ftc ftf ftg ftm fto ftr ftt gaa gac gaf gag gam gao gar gat gca gcc gcf gcg gcm gco gcr gct gfa gfc gff gfm gfo gfr gft gga ggc ggg ggm ggo ggr ggt gma gmc gmf gmg gmm gmo gmr gmt goa goc gof gog gom goo gor got gra grc grf grg grm gro grr grt gta gtc gtf gtg gtm gto gtr gtt m-f m-o m-r maa mac maf mag mam mao mar mat mc- mca mcc mcf mcg mcm mco mcr mct mfa mfc mff mfg mfm mfo mfr mft mga mgc mgf mgm mgo mgr mgt mma mmc mmf mmg mmm mmo mmr mmt moa moc mof mog mom moo mor mot mra mrc mrf mrg mrm mro mrr mrt mta mtc mtf mtg mtm mto mtr mtt oaa oac oaf oag oam oao oar oat oc- oca occ ocf ocg ocm oco ocr oct of- ofa ofc off ofg ofm ofo ofr oft oga ogc ogf ogg ogo ogt om- oma omc omf omg omm omo omr omt oo- ooa ooc oof oog oom ooo oor oot or- ora orc orf org orm oro orr ort ot- ota otc otf otg otm oto otr ott ra- raa rac raf rag ram rao rar rat rca rcc rcf rcg rcm rco rcr rct rfa rfc rff rfg rfm rfo rfr rft rga rgc rgf rgg rgo rgr rgt rma rmc rmf rmg rmm rmo rmr rmt roa roc rof rog rom roo ror rot rra rrc rrf rrg rrm rrr rrt rta rtc rtf rtg rtm rto rtr rtt taa tac taf tag tam tao tar tat tca tcc tcf tcg tcm tco tcr tct tfa tfc tff tfg tfm tfo tfr tft tga tgc tgf tgg tgm tgo tgr tgt tma tmc tmf tmg tmm tmo tmr tmt to- toa toc tof tog tom too tor tot tra trc trf trg trm tro trr trt tta ttc ttf ttg ttm tto ttr ttt