a-a a-c aaa aac aag aan aao aar aav ac- aca acc acg acn aco acr acv ag- aga agc agg agn ago agr agv an- ana anc ang ann ano anr anv aoa aoc aog aon aoo aor aov ar- ara arc arg arn aro arr arv av- ava avc avg avn avo avr c-- caa cac cag can cao car cav cca ccc ccg ccn cco ccr ccv cga cgc cgg cgn cgo cgr cgv cn- cna cnc cng cnn cno cnr cnv co- coa coc cog con coo cor cov cra crc crg crn cro crr crv cva cvc cvg cvn cvo cvr cvv gaa gac gag gan gao gar gav gca gcc gcg gcn gco gcr gga ggc ggg ggn ggo ggr ggv gna gnc gnn gno gnr gnv goa goc gog gon goo gor gov gra grc grg grn gro grr grv gva gvc gvg gvn gvo gvr naa nac nag nan nao nar nav nca ncc ncg ncn nco ncr ncv nga ngc ngg ngn ngo nna nnc nng nnn nno nnv no- noa noc nog non noo nor nov nra nrc nrg nrn nro nrr nrv nva nvc nvg nvn nvv oaa oac oag oan oao oar oav oc- oca occ ocg ocn oco ocr ocv oga ogc ogg ogn ogo on- ona onc ong onn ono onr oo- ooa ooc oog oon ooo oor oov or- ora orc org orn oro orr orv ov- ova ovc ovo ovv ra- raa rac rag ran rao rar rav rca rcc rcg rcn rco rcr rcv rga rgc rgg rgn rgo rgr rgv rna rnc rng rnn rno rnr rnv roa roc rog ron roo ror rov rra rrc rrg rrn rrr rva rvc rvg rvn rvo rvr rvv v-a vaa vac vag van vao var vav vca vcc vcn vco vcr vga vgc vgg vgn vgo vgr vn- vna vng vno vnr vnv voa voc vog von voo vor vov vra vrc vrg vrn vrr vva vvc vvg vvo vvr vvv