sll slo slr sls slt sly soa soc sod sog soi sol soo sor sos sot soy sr- sra src srd srg sri srl sro srr srs srt sry ss- ssa ssc ssd ssg ssi ssl sso ssr sss sst sta stc std stg sti stl sto str sts stt sty sy- sya syc syd syg syi syl syr sys syt taa tac tad tag tai tal tao tar tas tat tay tca tcc tcd tcg tci tcl tco tcr tcs tct tda tdc tdd tdg tdi tdl tdo tdr tds tdt tdy tga tgc tgg tgi tgl tgo tgr tgs tgt tgy tia tic tid tig tii til tio tir tis tit tiy tla tlc tld tlg tli tll tlo tlr tls tlt to- toa toc tod tog toi tol too tor tos tot toy tra trc trd trg tri trl tro trr trs trt try tsa tsc tsd tsg tsi tsl tso tsr tss tst tsy tta ttc ttd ttg tti ttl tto ttr tts ttt tty tya tyc tyd tyg tyl tyo tyr tys tyt yaa yac yad yag yai yal yao yar yas yat yay yca ycc ycd yci ycl yco ycs ycy yda ydg ydl ydo yds ydt ydy yga ygc ygl ygo yid yig yii yio yir yis yit ylc yld ylg yli yll ylr yls ylt yly yoc yod yog yoi yol yoo yor yos yot yoy yra yrc yrg yro yrs yrt ysa ysc ysg ysi ysl yso ysr yss yst ysy yta ytc ytd ytl yto ytr yts ytt yyc yyg yys yyt yyy