slf sli sll sln slp sls slt sly sna snc snd snf sni snl snn snp sns snt sny spa spc spd spf spi spl spn spp sps spt spy ss- ssa ssc ssd ssf ssi ssl ssn ssp sss sst sta stc std stf sti stl stn stp sts stt sty sy- sya syc syd syi syl syn syp sys syt taa tac tad taf tai tal tan tap tas tat tay tca tcc tcd tcf tci tcl tcn tcp tcs tct tda tdc tdd tdf tdi tdl tdn tdp tds tdt tdy tfa tfc tfd tff tfi tfl tfn tfp tfs tft tia tic tid tif tii til tin tip tis tit tiy tla tlc tld tlf tli tll tln tlp tls tlt tna tnc tnd tnf tni tnl tnn tnp tns tnt tpa tpc tpd tpf tpi tpl tpn tpp tps tpt tsa tsc tsd tsf tsi tsl tsn tsp tss tst tsy tta ttc ttd ttf tti ttl ttn ttp tts ttt tty tya tyc tyd tyf tyl tyn typ tys tyt yaa yac yad yaf yai yal yan yap yas yat yay yca ycc ycd ycf yci ycl ycp ycs ycy yda ydl ydn yds ydt ydy yfa yfc yfd yff yfs yft yid yif yii yin yip yis yit ylc yld yli yll yls ylt yly yna ynd ynn ynp yns yny ypa ypd ypf ypl yps ysa ysc ysi ysl ysp yss yst ysy yta ytc ytd ytf ytl ytn ytp yts ytt yyc yyf yys yyt yyy