a-a a-c aaa aac aag aan aao aar aas aav ac- aca acc acg acn aco acr acs acv ag- aga agc agg agn ago agr ags agv an- ana anc ang ann ano anr ans anv aoa aoc aog aon aoo aor aos aov ar- ara arc arg arn aro arr ars arv as- asa asc asg asn aso asr ass asv av- ava avc avg avn avo avr avs c-- caa cac cag can cao car cas cav cca ccc ccg ccn cco ccr ccs ccv cga cgc cgg cgn cgo cgr cgs cgv cn- cna cnc cng cnn cno cnr cns cnv co- coa coc cog con coo cor cos cov cra crc crg crn cro crr crs crv csa csc csg csn cso csr css csv cva cvc cvg cvn cvo cvr cvs cvv gaa gac gag gan gao gar gas gav gca gcc gcg gcn gco gcr gcs gga ggc ggg ggn ggo ggr ggs ggv gna gnc gnn gno gnr gns gnv goa goc gog gon goo gor gos gov gra grc grg grn gro grr grs grv gsa gsc gsg gsn gso gsr gss gsv gva gvc gvg gvn gvo gvr gvs naa nac nag nan nao nar nas nav nca ncc ncg ncn nco ncr ncs ncv nga ngc ngg ngn ngo ngs nna nnc nng nnn nno nns nnv no- noa noc nog non noo nor nos nov nra nrc nrg nrn nro nrr nrs nrv nsa nsc nsg nsn nso nsr nss nsv nva nvc nvg nvn nvv oaa oac oag oan oao oar oas oav oc- oca occ ocg ocn oco ocr ocs ocv oga ogc ogg ogn ogo ogs on- ona onc ong onn ono onr ons oo- ooa ooc oog oon ooo oor oos oov or- ora orc org orn oro orr ors orv os- osa osc osg osn oso osr oss osv ov- ova ovc ovo ovs ovv ra- raa rac rag ran rao rar ras rav rca rcc rcg rcn rco rcr rcs rcv rga rgc rgg rgn rgo rgr rgs rgv rna rnc rng rnn rno rnr rns rnv roa roc rog ron roo ror ros rov rra rrc rrg rrn rrr rrs rsa rsc rsg rsn rso rsr rss rsv rva rvc rvg rvn rvo rvr rvs rvv saa sac sag san sao sar sas sav sca scc scg scn sco scr scs scv sga sgc sgg sgn sgo sgr sgs sgv sna snc sng snn sno snr sns snv soa soc sog son soo sor sos sov sr- sra src srg srn sro srr srs srv ss- ssa ssc ssg ssn sso ssr sss ssv sva svc svg svn svo svr svs svv v-a vaa vac vag van vao var vas vav vca vcc vcn vco vcr vcs vga vgc vgg vgn vgo vgr vgs vn- vna vng vno vnr vns vnv voa voc vog von voo vor vos vov vra vrc vrg vrn vrr vrs vsa vsc vsg vsn vso vsr vss vsv vva vvc vvg vvo vvr vvs vvv