sen ser ses set sey sia sic sid sie sii sil sin sir sis sit sla slc sld sle sli sll sln slr sls slt sly sna snc snd sne sni snl snn snr sns snt sny sr- sra src srd sre sri srl srn srr srs srt sry ss- ssa ssc ssd sse ssi ssl ssn ssr sss sst sta stc std ste sti stl stn str sts stt sty sy- sya syc syd sye syi syl syn syr sys syt taa tac tad tae tai tal tan tar tas tat tay tca tcc tcd tce tci tcl tcn tcr tcs tct tda tdc tdd tde tdi tdl tdn tdr tds tdt tdy te- tea tec ted tee tei tel ten ter tes tet tey tia tic tid tie tii til tin tir tis tit tiy tla tlc tld tle tli tll tln tlr tls tlt tna tnc tnd tne tni tnl tnn tnr tns tnt tra trc trd tre tri trl trn trr trs trt try tsa tsc tsd tse tsi tsl tsn tsr tss tst tsy tta ttc ttd tte tti ttl ttn ttr tts ttt tty tya tyc tyd tye tyl tyn tyr tys tyt yaa yac yad yae yai yal yan yar yas yat yay yca ycc ycd yce yci ycl ycs ycy yda yde ydl ydn yds ydt ydy yea yec yed yee yei yel yen yer yes yet yey yid yie yii yin yir yis yit ylc yld yle yli yll ylr yls ylt yly yna ynd yne ynn yns yny yra yrc yre yrn yrs yrt ysa ysc yse ysi ysl ysr yss yst ysy yta ytc ytd yte ytl ytn ytr yts ytt yyc yye yys yyt yyy