soe soi son soo sop sor sos sot soy spc spd spe spi spn spo spp spr sps spt spy sr- src srd sre sri srn sro srp srr srs srt sry ss- ssc ssd sse ssi ssn sso ssp ssr sss sst stc std ste sti stn sto stp str sts stt sty sy- syc syd sye syi syn syp syr sys syt tcc tcd tce tci tcn tco tcp tcr tcs tct tdc tdd tde tdi tdn tdo tdp tdr tds tdt tdy te- tec ted tee tei ten teo tep ter tes tet tey tic tid tie tii tin tio tip tir tis tit tiy tnc tnd tne tni tnn tno tnp tnr tns tnt to- toc tod toe toi ton too top tor tos tot toy tpc tpd tpe tpi tpn tpo tpp tpr tps tpt trc trd tre tri trn tro trp trr trs trt try tsc tsd tse tsi tsn tso tsp tsr tss tst tsy ttc ttd tte tti ttn tto ttp ttr tts ttt tty tyc tyd tye tyn tyo typ tyr tys tyt ycc ycd yce yci yco ycp ycs ycy yde ydn ydo yds ydt ydy yec yed yee yei yen yeo yep yer yes yet yey yid yie yii yin yio yip yir yis yit ynd yne ynn ynp yns yny yoc yod yoe yoi yon yoo yop yor yos yot yoy ypd ypo yps yrc yre yrn yro yrp yrs yrt ysc yse ysi yso ysp ysr yss yst ysy ytc ytd yte ytn yto ytp ytr yts ytt yyc yye yys yyt yyy