slt sly sna snc snd sng sni snl snn snr sns snt sny sr- sra src srd srg sri srl srn srr srs srt sry ss- ssa ssc ssd ssg ssi ssl ssn ssr sss sst sta stc std stg sti stl stn str sts stt sty sy- sya syc syd syg syi syl syn syr sys syt taa tac tad tag tai tal tan tar tas tat tay tca tcc tcd tcg tci tcl tcn tcr tcs tct tda tdc tdd tdg tdi tdl tdn tdr tds tdt tdy tga tgc tgg tgi tgl tgn tgr tgs tgt tgy tia tic tid tig tii til tin tir tis tit tiy tla tlc tld tlg tli tll tln tlr tls tlt tna tnc tnd tng tni tnl tnn tnr tns tnt tra trc trd trg tri trl trn trr trs trt try tsa tsc tsd tsg tsi tsl tsn tsr tss tst tsy tta ttc ttd ttg tti ttl ttn ttr tts ttt tty tya tyc tyd tyg tyl tyn tyr tys tyt yaa yac yad yag yai yal yan yar yas yat yay yca ycc ycd yci ycl ycs ycy yda ydg ydl ydn yds ydt ydy yga ygc ygl yid yig yii yin yir yis yit ylc yld ylg yli yll ylr yls ylt yly yna ynd yng ynn yns yny yra yrc yrg yrn yrs yrt ysa ysc ysg ysi ysl ysr yss yst ysy yta ytc ytd ytl ytn ytr yts ytt yyc yyg yys yyt yyy