a-a a-c aaa aac aag aam aao aar ac- aca acc acg acm aco acr ag- aga agc agg agm ago agr ama amc amg amm amo amr aoa aoc aog aom aoo aor ar- ara arc arg arm aro arr c-- caa cac cag cam cao car cca ccc ccg ccm cco ccr cga cgc cgg cgm cgo cgr cma cmc cmg cmm cmo cmr co- coa coc cog com coo cor cra crc crg crm cro crr gaa gac gag gam gao gar gca gcc gcg gcm gco gcr gga ggc ggg ggm ggo ggr gma gmc gmg gmm gmo gmr goa goc gog gom goo gor gra grc grg grm gro grr m-o m-r maa mac mag mam mao mar mc- mca mcc mcg mcm mco mcr mga mgc mgm mgo mgr mma mmc mmg mmm mmo mmr moa moc mog mom moo mor mra mrc mrg mrm mro mrr oaa oac oag oam oao oar oc- oca occ ocg ocm oco ocr oga ogc ogg ogo om- oma omc omg omm omo omr oo- ooa ooc oog oom ooo oor or- ora orc org orm oro orr ra- raa rac rag ram rao rar rca rcc rcg rcm rco rcr rga rgc rgg rgo rgr rma rmc rmg rmm rmo rmr roa roc rog rom roo ror rra rrc rrg rrm rrr