a-a a-c aaa aac aag aao aas aau aav ac- aca acc acg aco acs acu acv ag- aga agc agg ago ags agu agv aoa aoc aog aoo aos aou aov as- asa asc asg aso ass asu asv au- aua auc aug auo aus auv av- ava avc avg avo avs avu c-- caa cac cag cao cas cau cav cca ccc ccg cco ccs ccu ccv cga cgc cgg cgo cgs cgu cgv co- coa coc cog coo cos cou cov csa csc csg cso css csu csv cua cuc cug cuo cus cuu cuv cva cvc cvg cvo cvs cvu cvv gaa gac gag gao gas gau gav gca gcc gcg gco gcs gcu gga ggc ggg ggo ggs ggu ggv goa goc gog goo gos gou gov gsa gsc gsg gso gss gsu gsv gu- gua guc gug guo gus guu guv gva gvc gvg gvo gvs gvu oaa oac oag oao oas oau oav oc- oca occ ocg oco ocs ocu ocv oga ogc ogg ogo ogs oo- ooa ooc oog ooo oos oov os- osa osc osg oso oss osu osv ou- oua ouc ouo ous ov- ova ovc ovo ovs ovv saa sac sag sao sas sau sav sca scc scg sco scs scu scv sga sgc sgg sgo sgs sgu sgv soa soc sog soo sos sou sov ss- ssa ssc ssg sso sss ssu ssv sua suc sug suo sus suu suv sva svc svg svo svs svu svv ua- uaa uac uag uao uas uau uav uca ucc ucg uco ucs ucu ucv uga ugc ugg ugo ugs ugu uoa uoc uog uoo uos usa usc usg uso uss usu usv uua uuc uug uus uuu uva uvc uvo uvs uvu uvv v-a vaa vac vag vao vas vau vav vca vcc vco vcs vcu vga vgc vgg vgo vgs vgu voa voc vog voo vos vou vov vsa vsc vsg vso vss vsu vsv vug vus vuv vva vvc vvg vvo vvs vvv