soy spc spe spi spl spn spo spp spr sps spt spy sr- src sre sri srl srn sro srp srr srs srt sry ss- ssc sse ssi ssl ssn sso ssp ssr sss sst stc ste sti stl stn sto stp str sts stt sty sy- syc sye syi syl syn syp syr sys syt tcc tce tci tcl tcn tco tcp tcr tcs tct te- tec tee tei tel ten teo tep ter tes tet tey tic tie tii til tin tio tip tir tis tit tiy tlc tle tli tll tln tlo tlp tlr tls tlt tnc tne tni tnl tnn tno tnp tnr tns tnt to- toc toe toi tol ton too top tor tos tot toy tpc tpe tpi tpl tpn tpo tpp tpr tps tpt trc tre tri trl trn tro trp trr trs trt try tsc tse tsi tsl tsn tso tsp tsr tss tst tsy ttc tte tti ttl ttn tto ttp ttr tts ttt tty tyc tye tyl tyn tyo typ tyr tys tyt ycc yce yci ycl yco ycp ycs ycy yec yee yei yel yen yeo yep yer yes yet yey yie yii yin yio yip yir yis yit ylc yle yli yll ylr yls ylt yly yne ynn ynp yns yny yoc yoe yoi yol yon yoo yop yor yos yot yoy ypl ypo yps yrc yre yrn yro yrp yrs yrt ysc yse ysi ysl yso ysp ysr yss yst ysy ytc yte ytl ytn yto ytp ytr yts ytt yyc yye yys yyt yyy