a-a a-c aaa aac aag aan aao aas aay ac- aca acc acg acn aco acs acy ag- aga agc agg agn ago ags agy an- ana anc ang ann ano ans any aoa aoc aog aon aoo aos as- asa asc asg asn aso ass asy ay- aya ayc ayn ayo ays c-- caa cac cag can cao cas cay cca ccc ccg ccn cco ccs cga cgc cgg cgn cgo cgs cgy cn- cna cnc cng cnn cno cns cny co- coa coc cog con coo cos coy csa csc csg csn cso css csy cya cyc cyg cyn cyo cys gaa gac gag gan gao gas gay gca gcc gcg gcn gco gcs gga ggc ggg ggn ggo ggs gna gnc gnn gno gns goa goc gog gon goo gos goy gsa gsc gsg gsn gso gss gy- gya gyn gyo gys naa nac nag nan nao nas nay nca ncc ncg ncn nco ncs nga ngc ngg ngn ngo ngs nna nnc nng nnn nno nns no- noa noc nog non noo nos noy nsa nsc nsg nsn nso nss nsy nya nyc nyg nyn nyo nys nyy oaa oac oag oan oao oas oc- oca occ ocg ocn oco ocs oga ogc ogg ogn ogo ogs ogy on- ona onc ong onn ono ons ony oo- ooa ooc oog oon ooo oos os- osa osc osg osn oso oss oya oyo oys saa sac sag san sao sas say sca scc scg scn sco scs sga sgc sgg sgn sgo sgs sna snc sng snn sno sns sny soa soc sog son soo sos soy ss- ssa ssc ssg ssn sso sss sy- sya syc syg syn sys yaa yac yag yan yao yas yay yca ycc yco ycs ycy yga ygc ygo yna yng ynn yns yny yoc yog yon yoo yos yoy ysa ysc ysg yso yss ysy yyc yyg yys yyy