sab sac sag sah sai sak sao sar sas say sba sbb sbc sbg sbh sbi sbk sbo sbr sbs sby sca scb scc scg sch sci sck sco scr scs sga sgb sgc sgg sgh sgi sgk sgo sgr sgs sh- sha shb shc shg shh shi shk sho shr shs shy sia sib sic sig sih sii sik sio sir sis sk- ska skb skc skg skh ski skk sko skr sks sky soa sob soc sog soh soi sok soo sor sos soy sr- sra srb src srg srh sri srk sro srr srs sry ss- ssa ssb ssc ssg ssh ssi ssk sso ssr sss sy- sya syb syc syg syh syi syk syr sys yaa yab yac yag yah yai yak yao yar yas yay ybc ybg ybi ybr ybs yby yca ycc ych yci yco ycs ycy yga ygc ygo yha yhc yhi yhs yig yih yii yio yir yis yka yki ykk yob yoc yog yoi yok yoo yor yos yoy yra yrc yrg yro yrs ysa ysb ysc ysg ysi ysk yso ysr yss ysy yyb yyc yyg yys yyy