sir sis sit sla slc sld slh sli sll slp slr sls slt sly spa spc spd sph spi spl spp spr sps spt spy sr- sra src srd srh sri srl srp srr srs srt sry ss- ssa ssc ssd ssh ssi ssl ssp ssr sss sst sta stc std sth sti stl stp str sts stt sty sy- sya syc syd syh syi syl syp syr sys syt taa tac tad tah tai tal tap tar tas tat tay tca tcc tcd tch tci tcl tcp tcr tcs tct tda tdc tdd tdh tdi tdl tdp tdr tds tdt tdy th- tha thc thd thh thi thl thp thr ths tht thy tia tic tid tih tii til tip tir tis tit tiy tla tlc tld tlh tli tll tlp tlr tls tlt tpa tpc tpd tph tpi tpl tpp tpr tps tpt tra trc trd trh tri trl trp trr trs trt try tsa tsc tsd tsh tsi tsl tsp tsr tss tst tsy tta ttc ttd tth tti ttl ttp ttr tts ttt tty tya tyc tyd tyl typ tyr tys tyt yaa yac yad yah yai yal yap yar yas yat yay yca ycc ycd ych yci ycl ycp ycs ycy yda ydl yds ydt ydy yha yhc yhi yhs yht yid yih yii yip yir yis yit ylc yld yli yll ylr yls ylt yly ypa ypd ypl yps yra yrc yrp yrs yrt ysa ysc ysi ysl ysp ysr yss yst ysy yta ytc ytd yth ytl ytp ytr yts ytt yyc yys yyt yyy