riy rla rld rlf rli rll rlo rlp rlr rls rly roa rob rod rof roi rol roo rop ror ros roy rpa rpb rpd rpf rpi rpl rpo rpp rpr rps rra rrb rrd rrf rri rrl rrp rrr rrs rsa rsb rsd rsf rsi rsl rso rsp rsr rss ry- rya ryd ryf ryo ryr rys ryy saa sab sad saf sai sal sao sap sar sas say sba sbb sbd sbf sbi sbl sbo sbp sbr sbs sby sda sdb sdd sdf sdi sdl sdo sdp sdr sds sdy sfa sfb sfd sff sfi sfl sfo sfp sfr sfs sia sib sid sif sii sil sio sip sir sis sla slb sld slf sli sll slo slp slr sls sly soa sob sod sof soi sol soo sop sor sos soy spa spb spd spf spi spl spo spp spr sps spy sr- sra srb srd srf sri srl sro srp srr srs sry ss- ssa ssb ssd ssf ssi ssl sso ssp ssr sss sy- sya syb syd syi syl syp syr sys yaa yab yad yaf yai yal yao yap yar yas yay ybf ybi ybl ybp ybr ybs yby yda ydl ydo yds ydy yfa yfd yff yfr yfs yid yif yii yio yip yir yis yld yli yll ylr yls yly yob yod yof yoi yol yoo yop yor yos yoy ypa ypd ypf ypl ypo yps yra yrf yro yrp yrs ysa ysb ysi ysl yso ysp ysr yss ysy yyb yyf yys yyy