sis sit sla sld sle slf sli sll slp slr sls slt sly spa spd spe spf spi spl spp spr sps spt spy sr- sra srd sre srf sri srl srp srr srs srt sry ss- ssa ssd sse ssf ssi ssl ssp ssr sss sst sta std ste stf sti stl stp str sts stt sty sy- sya syd sye syi syl syp syr sys syt taa tad tae taf tai tal tap tar tas tat tay tda tdd tde tdf tdi tdl tdp tdr tds tdt tdy te- tea ted tee tef tei tel tep ter tes tet tey tfa tfd tfe tff tfi tfl tfp tfr tfs tft tia tid tie tif tii til tip tir tis tit tiy tla tld tle tlf tli tll tlp tlr tls tlt tpa tpd tpe tpf tpi tpl tpp tpr tps tpt tra trd tre trf tri trl trp trr trs trt try tsa tsd tse tsf tsi tsl tsp tsr tss tst tsy tta ttd tte ttf tti ttl ttp ttr tts ttt tty tya tyd tye tyf tyl typ tyr tys tyt yaa yad yae yaf yai yal yap yar yas yat yay yda yde ydl yds ydt ydy yea yed yee yef yei yel yep yer yes yet yey yfa yfd yfe yff yfr yfs yft yid yie yif yii yip yir yis yit yld yle yli yll ylr yls ylt yly ypa ypd ypf ypl yps yra yre yrf yrp yrs yrt ysa yse ysi ysl ysp ysr yss yst ysy yta ytd yte ytf ytl ytp ytr yts ytt yye yyf yys yyt yyy