roa roe rof rog roi rol roo rop ror ros roy rpa rpe rpf rpg rpi rpl rpo rpp rpr rps rra rrf rrg rri rrl rrp rrr rrs rsa rse rsf rsg rsi rsl rso rsp rsr rss ry- rya rye ryf ryg ryo ryr rys ryy saa sae saf sag sai sal sao sap sar sas say se- sea see sef seg sei sel seo sep ser ses sey sfa sfe sff sfg sfi sfl sfo sfp sfr sfs sga sge sgf sgg sgi sgl sgo sgp sgr sgs sia sie sif sig sii sil sio sip sir sis sla sle slf slg sli sll slo slp slr sls sly soa soe sof sog soi sol soo sop sor sos soy spa spe spf spg spi spl spo spp spr sps spy sr- sra sre srf srg sri srl sro srp srr srs sry ss- ssa sse ssf ssg ssi ssl sso ssp ssr sss sy- sya sye syg syi syl syp syr sys yaa yae yaf yag yai yal yao yap yar yas yay yea yee yef yeg yei yel yeo yep yer yes yey yfa yfe yff yfr yfs yga ygl ygo yie yif yig yii yio yip yir yis yle ylg yli yll ylr yls yly yoe yof yog yoi yol yoo yop yor yos yoy ypa ypf ypg ypl ypo yps yra yre yrf yrg yro yrp yrs ysa yse ysg ysi ysl yso ysp ysr yss ysy yye yyf yyg yys yyy