a-a a-c aaa aac aag aam aan aar ac- aca acc acg acm acn acr ag- aga agc agg agm agn agr ama amc amg amm amn amr an- ana anc ang anm ann anr ar- ara arc arg arm arn arr c-- caa cac cag cam can car cca ccc ccg ccm ccn ccr cga cgc cgg cgm cgn cgr cma cmc cmg cmm cmn cmr cn- cna cnc cng cnm cnn cnr cra crc crg crm crn crr gaa gac gag gam gan gar gca gcc gcg gcm gcn gcr gga ggc ggg ggm ggn ggr gma gmc gmg gmm gmn gmr gna gnc gnm gnn gnr gra grc grg grm grn grr m-r maa mac mag mam man mar mc- mca mcc mcg mcm mcn mcr mga mgc mgm mgn mgr mma mmc mmg mmm mmn mmr mna mnc mng mnm mnn mnr mra mrc mrg mrm mrn mrr naa nac nag nam nan nar nca ncc ncg ncm ncn ncr nga ngc ngg ngm ngn nma nmc nmg nmm nmn nmr nna nnc nng nnm nnn nra nrc nrg nrm nrn nrr ra- raa rac rag ram ran rar rca rcc rcg rcm rcn rcr rga rgc rgg rgn rgr rma rmc rmg rmm rmn rmr rna rnc rng rnm rnn rnr rra rrc rrg rrm rrn rrr