a-a a-c aaa aac aag aam aan aao aar ac- aca acc acg acm acn aco acr ag- aga agc agg agm agn ago agr ama amc amg amm amn amo amr an- ana anc ang anm ann ano anr aoa aoc aog aom aon aoo aor ar- ara arc arg arm arn aro arr c-- caa cac cag cam can cao car cca ccc ccg ccm ccn cco ccr cga cgc cgg cgm cgn cgo cgr cma cmc cmg cmm cmn cmo cmr cn- cna cnc cng cnm cnn cno cnr co- coa coc cog com con coo cor cra crc crg crm crn cro crr gaa gac gag gam gan gao gar gca gcc gcg gcm gcn gco gcr gga ggc ggg ggm ggn ggo ggr gma gmc gmg gmm gmn gmo gmr gna gnc gnm gnn gno gnr goa goc gog gom gon goo gor gra grc grg grm grn gro grr m-o m-r maa mac mag mam man mao mar mc- mca mcc mcg mcm mcn mco mcr mga mgc mgm mgn mgo mgr mma mmc mmg mmm mmn mmo mmr mna mnc mng mnm mnn mno mnr moa moc mog mom mon moo mor mra mrc mrg mrm mrn mro mrr naa nac nag nam nan nao nar nca ncc ncg ncm ncn nco ncr nga ngc ngg ngm ngn ngo nma nmc nmg nmm nmn nmo nmr nna nnc nng nnm nnn nno no- noa noc nog nom non noo nor nra nrc nrg nrm nrn nro nrr oaa oac oag oam oan oao oar oc- oca occ ocg ocm ocn oco ocr oga ogc ogg ogn ogo om- oma omc omg omm omn omo omr on- ona onc ong onn ono onr oo- ooa ooc oog oom oon ooo oor or- ora orc org orm orn oro orr ra- raa rac rag ram ran rao rar rca rcc rcg rcm rcn rco rcr rga rgc rgg rgn rgo rgr rma rmc rmg rmm rmn rmo rmr rna rnc rng rnm rnn rno rnr roa roc rog rom ron roo ror rra rrc rrg rrm rrn rrr