rnb rnd rnh rni rnn rno rnr rns rny roa rob rod roh roi rol ron roo ror ros roy rra rrb rrd rrh rri rrl rrn rrr rrs rsa rsb rsd rsh rsi rsl rsn rso rsr rss ry- rya ryd ryn ryo ryr rys ryy saa sab sad sah sai sal san sao sar sas say sba sbb sbd sbh sbi sbl sbn sbo sbr sbs sby sda sdb sdd sdh sdi sdl sdn sdo sdr sds sdy sh- sha shb shd shh shi shl shn sho shr shs shy sia sib sid sih sii sil sin sio sir sis sla slb sld slh sli sll sln slo slr sls sly sna snb snd sni snl snn sno snr sns sny soa sob sod soh soi sol son soo sor sos soy sr- sra srb srd srh sri srl srn sro srr srs sry ss- ssa ssb ssd ssh ssi ssl ssn sso ssr sss sy- sya syb syd syh syi syl syn syr sys yaa yab yad yah yai yal yan yao yar yas yay ybi ybl ybr ybs yby yda ydl ydn ydo yds ydy yha yhi yhs yid yih yii yin yio yir yis yld yli yll ylr yls yly yna ynd ynn yns yny yob yod yoi yol yon yoo yor yos yoy yra yrn yro yrs ysa ysb ysi ysl yso ysr yss ysy yyb yys yyy