-ey a-a a-c aaa aac aae aag aan aao aas aay ac- aca acc ace acg acn aco acs acy aea aec aee aeg aen aeo aes aey ag- aga agc age agg agn ago ags agy an- ana anc ane ang ann ano ans any aoa aoc aoe aog aon aoo aos as- asa asc ase asg asn aso ass asy ay- aya ayc aye ayn ayo ays c-- caa cac cae cag can cao cas cay cca ccc cce ccg ccn cco ccs ce- cea cec cee ceg cen ceo ces cey cga cgc cge cgg cgn cgo cgs cgy cn- cna cnc cne cng cnn cno cns cny co- coa coc coe cog con coo cos coy csa csc cse csg csn cso css csy cya cyc cye cyg cyn cyo cys eaa eac eae eag ean eao eas ec- eca ecc ece ecg ecn eco ecs eea eec eee eeg een eeo ees eey ega egc ege egg egn ego egs egy en- ena enc ene eng enn eno ens eny eo- eoa eoc eoe eog eon eoo eos es- esa esc ese esg esn eso ess esy eya eyc eye eyn eyo eys gaa gac gae gag gan gao gas gay gca gcc gce gcg gcn gco gcs ge- gea gec gee geg gen geo ges gey gga ggc ggg ggn ggo ggs gna gnc gne gnn gno gns goa goc goe gog gon goo gos goy gsa gsc gse gsg gsn gso gss gy- gya gye gyn gyo gys naa nac nae nag nan nao nas nay nca ncc nce ncg ncn nco ncs ne- nea nec nee neg nen neo nes ney nga ngc nge ngg ngn ngo ngs nna nnc nne nng nnn nno nns no- noa noc noe nog non noo nos noy nsa nsc nse nsg nsn nso nss nsy nya nyc nye nyg nyn nyo nys nyy oaa oac oae oag oan oao oas oc- oca occ ocg ocn oco ocs oea oec oee oeg oen oeo oes oey oga ogc oge ogg ogn ogo ogs ogy on- ona onc one ong onn ono ons ony oo- ooa ooc oog oon ooo oos os- osa osc ose osg osn oso oss oya oye oyo oys saa sac sae sag san sao sas say sca scc sce scg scn sco scs se- sea sec see seg sen seo ses sey sga sgc sge sgg sgn sgo sgs sna snc sne sng snn sno sns sny soa soc soe sog son soo sos soy ss- ssa ssc sse ssg ssn sso sss sy- sya syc sye syg syn sys yaa yac yae yag yan yao yas yay yca ycc yce yco ycs ycy yea yec yee yeg yen yeo yes yey yga ygc ygo yna yne yng ynn yns yny yoc yoe yog yon yoo yos yoy ysa ysc yse ysg yso yss ysy yyc yye yyg yys yyy