sli sll slo slp slr sls slt sly soa soc sod soi sol soo sop sor sos sot soy spa spc spd spi spl spo spp spr sps spt spy sr- sra src srd sri srl sro srp srr srs srt sry ss- ssa ssc ssd ssi ssl sso ssp ssr sss sst sta stc std sti stl sto stp str sts stt sty sy- sya syc syd syi syl syp syr sys syt taa tac tad tai tal tao tap tar tas tat tay tca tcc tcd tci tcl tco tcp tcr tcs tct tda tdc tdd tdi tdl tdo tdp tdr tds tdt tdy tia tic tid tii til tio tip tir tis tit tiy tla tlc tld tli tll tlo tlp tlr tls tlt to- toa toc tod toi tol too top tor tos tot toy tpa tpc tpd tpi tpl tpo tpp tpr tps tpt tra trc trd tri trl tro trp trr trs trt try tsa tsc tsd tsi tsl tso tsp tsr tss tst tsy tta ttc ttd tti ttl tto ttp ttr tts ttt tty tya tyc tyd tyl tyo typ tyr tys tyt yaa yac yad yai yal yao yap yar yas yat yay yca ycc ycd yci ycl yco ycp ycs ycy yda ydl ydo yds ydt ydy yid yii yio yip yir yis yit ylc yld yli yll ylr yls ylt yly yoc yod yoi yol yoo yop yor yos yot yoy ypa ypd ypl ypo yps yra yrc yro yrp yrs yrt ysa ysc ysi ysl yso ysp ysr yss yst ysy yta ytc ytd ytl yto ytp ytr yts ytt yyc yys yyt yyy