rmr rms roa rob rof rog roi rol rom roo ror ros roy rra rrb rrf rrg rri rrl rrm rrr rrs rsa rsb rsf rsg rsi rsl rsm rso rsr rss ry- rya ryf ryg rym ryo ryr rys ryy saa sab saf sag sai sal sam sao sar sas say sba sbb sbf sbg sbi sbl sbm sbo sbr sbs sby sfa sfb sff sfg sfi sfl sfm sfo sfr sfs sga sgb sgf sgg sgi sgl sgm sgo sgr sgs sia sib sif sig sii sil sim sio sir sis sla slb slf slg sli sll slm slo slr sls sly sma smb smf smg smi sml smm smo smr sms smy soa sob sof sog soi sol som soo sor sos soy sr- sra srb srf srg sri srl srm sro srr srs sry ss- ssa ssb ssf ssg ssi ssl ssm sso ssr sss sy- sya syb syg syi syl sym syr sys yaa yab yaf yag yai yal yam yao yar yas yay ybf ybg ybi ybl ybm ybr ybs yby yfa yff yfm yfr yfs yga ygl ygm ygo yif yig yii yim yio yir yis ylg yli yll ylm ylr yls yly yma ymg ymi yml ymm ymo yms yob yof yog yoi yol yom yoo yor yos yoy yra yrf yrg yro yrs ysa ysb ysg ysi ysl ysm yso ysr yss ysy yyb yyf yyg yys yyy