a-a a-c aaa aac aag aam aan aao aap aar ac- aca acc acg acm acn aco acp acr ag- aga agc agg agm agn ago agp agr ama amc amg amm amn amo amp amr an- ana anc ang anm ann ano anp anr aoa aoc aog aom aon aoo aop aor ap- apa apc apg apm apn apo app apr ar- ara arc arg arm arn aro arp arr c-- caa cac cag cam can cao cap car cca ccc ccg ccm ccn cco ccp ccr cga cgc cgg cgm cgn cgo cgp cgr cma cmc cmg cmm cmn cmo cmp cmr cn- cna cnc cng cnm cnn cno cnp cnr co- coa coc cog com con coo cop cor cpa cpc cpg cpm cpn cpo cpp cpr cra crc crg crm crn cro crp crr g-p gaa gac gag gam gan gao gap gar gca gcc gcg gcm gcn gco gcp gcr gga ggc ggg ggm ggn ggo ggp ggr gma gmc gmg gmm gmn gmo gmp gmr gna gnc gnm gnn gno gnp gnr goa goc gog gom gon goo gop gor gpa gpc gpg gpm gpn gpo gpp gpr gra grc grg grm grn gro grp grr m-o m-r maa mac mag mam man mao map mar mc- mca mcc mcg mcm mcn mco mcp mcr mga mgc mgm mgn mgo mgp mgr mma mmc mmg mmm mmn mmo mmp mmr mna mnc mng mnm mnn mno mnp mnr moa moc mog mom mon moo mop mor mpa mpc mpg mpm mpn mpo mpp mpr mra mrc mrg mrm mrn mro mrp mrr naa nac nag nam nan nao nap nar nca ncc ncg ncm ncn nco ncp ncr nga ngc ngg ngm ngn ngo ngp nma nmc nmg nmm nmn nmo nmp nmr nna nnc nng nnm nnn nno nnp no- noa noc nog nom non noo nop nor npa npc npg npm npn npo npp npr nra nrc nrg nrm nrn nro nrp nrr oaa oac oag oam oan oao oap oar oc- oca occ ocg ocm ocn oco ocp ocr oga ogc ogg ogn ogo ogp om- oma omc omg omm omn omo omp omr on- ona onc ong onn ono onp onr oo- ooa ooc oog oom oon ooo oop oor op- opa opc opg opm opn opo opp opr or- ora orc org orm orn oro orp orr p-p paa pac pag pam pan pao pap par pca pcc pcg pcm pcn pco pcp pcr pga pgc pgg pgm pgn pgo pgp pgr pma pmc pmg pmm pmn pmo pmp pmr pn- pna pnc png pnm pnn pno pnp pnr poa poc pog pom pon poo pop por ppa ppc ppg ppm ppn ppo ppp ppr pra prc prg prm prn pro prp prr ra- raa rac rag ram ran rao rap rar rca rcc rcg rcm rcn rco rcp rcr rga rgc rgg rgn rgo rgp rgr rma rmc rmg rmm rmn rmo rmp rmr rna rnc rng rnm rnn rno rnp rnr roa roc rog rom ron roo rop ror rpa rpc rpg rpm rpn rpo rpp rpr rra rrc rrg rrm rrn rrp rrr