sdl sdn sdo sdr sds sdy se- seb sed see seg sek sel sen seo ser ses sey sgb sgd sge sgg sgk sgl sgn sgo sgr sgs sk- skb skd ske skg skk skl sko skr sks sky slb sld sle slg slk sll sln slo slr sls sly snb snd sne sng snk snl snn sno snr sns sny sob sod soe sog sok sol son soo sor sos soy sr- srb srd sre srg srk srl srn sro srr srs sry ss- ssb ssd sse ssg ssk ssl ssn sso ssr sss sy- syb syd sye syg syk syl syn syr sys ybe ybg ybl ybr ybs yby yde ydg ydl ydn ydo yds ydy yeb yed yee yeg yek yel yen yeo yer yes yey ygl ygo ykk ykn yld yle ylg ylk yll ylr yls yly ynd yne yng ynk ynn yns yny yob yod yoe yog yok yol yon yoo yor yos yoy yre yrg yrn yro yrs ysb yse ysg ysk ysl yso ysr yss ysy yyb yye yyg yys yyy