a-a a-c aaa aac aag aan aao aas aau ac- aca acc acg acn aco acs acu ag- aga agc agg agn ago ags agu an- ana anc ang ann ano ans anu aoa aoc aog aon aoo aos aou as- asa asc asg asn aso ass asu au- aua auc aug aun auo aus c-- caa cac cag can cao cas cau cca ccc ccg ccn cco ccs ccu cga cgc cgg cgn cgo cgs cgu cn- cna cnc cng cnn cno cns cnu co- coa coc cog con coo cos cou csa csc csg csn cso css csu cua cuc cug cun cuo cus cuu gaa gac gag gan gao gas gau gca gcc gcg gcn gco gcs gcu gga ggc ggg ggn ggo ggs ggu gna gnc gnn gno gns gnu goa goc gog gon goo gos gou gsa gsc gsg gsn gso gss gsu gu- gua guc gug gun guo gus guu naa nac nag nan nao nas nau nca ncc ncg ncn nco ncs ncu nga ngc ngg ngn ngo ngs ngu nna nnc nng nnn nno nns nnu no- noa noc nog non noo nos nou nsa nsc nsg nsn nso nss nsu nua nuc nug nun nuo nus nuu oaa oac oag oan oao oas oau oc- oca occ ocg ocn oco ocs ocu oga ogc ogg ogn ogo ogs on- ona onc ong onn ono ons onu oo- ooa ooc oog oon ooo oos os- osa osc osg osn oso oss osu ou- oua ouc oun ouo ous saa sac sag san sao sas sau sca scc scg scn sco scs scu sga sgc sgg sgn sgo sgs sgu sna snc sng snn sno sns snu soa soc sog son soo sos sou ss- ssa ssc ssg ssn sso sss ssu sua suc sug sun suo sus suu ua- uaa uac uag uan uao uas uau uca ucc ucg ucn uco ucs ucu uga ugc ugg ugn ugo ugs ugu un- una unc ung unn uno uns unu uoa uoc uog uon uoo uos usa usc usg usn uso uss usu uua uuc uug uun uus uuu