ris riy rna rnc rng rni rnn rno rnp rnr rns rny roa roc roe rog roi ron roo rop ror ros roy rpa rpc rpe rpg rpi rpn rpo rpp rpr rps rra rrc rrg rri rrn rrp rrr rrs rsa rsc rse rsg rsi rsn rso rsp rsr rss ry- rya ryc rye ryg ryn ryo ryr rys ryy saa sac sae sag sai san sao sap sar sas say sca scc sce scg sci scn sco scp scr scs se- sea sec see seg sei sen seo sep ser ses sey sga sgc sge sgg sgi sgn sgo sgp sgr sgs sia sic sie sig sii sin sio sip sir sis sna snc sne sng sni snn sno snp snr sns sny soa soc soe sog soi son soo sop sor sos soy spa spc spe spg spi spn spo spp spr sps spy sr- sra src sre srg sri srn sro srp srr srs sry ss- ssa ssc sse ssg ssi ssn sso ssp ssr sss sy- sya syc sye syg syi syn syp syr sys yaa yac yae yag yai yan yao yap yar yas yay yca ycc yce yci yco ycp ycs ycy yea yec yee yeg yei yen yeo yep yer yes yey yga ygc ygo yie yig yii yin yio yip yir yis yna yne yng ynn ynp yns yny yoc yoe yog yoi yon yoo yop yor yos yoy ypa ypg ypo yps yra yrc yre yrg yrn yro yrp yrs ysa ysc yse ysg ysi yso ysp ysr yss ysy yyc yye yyg yys yyy