rno rnp rnr rns rny roa rob rod rog roi ron roo rop ror ros roy rpa rpb rpd rpg rpi rpn rpo rpp rpr rps rra rrb rrd rrg rri rrn rrp rrr rrs rsa rsb rsd rsg rsi rsn rso rsp rsr rss ry- rya ryd ryg ryn ryo ryr rys ryy saa sab sad sag sai san sao sap sar sas say sba sbb sbd sbg sbi sbn sbo sbp sbr sbs sby sda sdb sdd sdg sdi sdn sdo sdp sdr sds sdy sga sgb sgd sgg sgi sgn sgo sgp sgr sgs sia sib sid sig sii sin sio sip sir sis sna snb snd sng sni snn sno snp snr sns sny soa sob sod sog soi son soo sop sor sos soy spa spb spd spg spi spn spo spp spr sps spy sr- sra srb srd srg sri srn sro srp srr srs sry ss- ssa ssb ssd ssg ssi ssn sso ssp ssr sss sy- sya syb syd syg syi syn syp syr sys yaa yab yad yag yai yan yao yap yar yas yay ybg ybi ybp ybr ybs yby yda ydg ydn ydo yds ydy yga ygo yid yig yii yin yio yip yir yis yna ynd yng ynn ynp yns yny yob yod yog yoi yon yoo yop yor yos yoy ypa ypd ypg ypo yps yra yrg yrn yro yrp yrs ysa ysb ysg ysi yso ysp ysr yss ysy yyb yyg yys yyy