sot soy sr- srd sre srf sri srm srn sro srr srs srt sry ss- ssd sse ssf ssi ssm ssn sso ssr sss sst std ste stf sti stm stn sto str sts stt sty sy- syd sye syi sym syn syr sys syt tdd tde tdf tdi tdm tdn tdo tdr tds tdt tdy te- ted tee tef tei tem ten teo ter tes tet tey tfd tfe tff tfi tfm tfn tfo tfr tfs tft tid tie tif tii tim tin tio tir tis tit tiy tmd tme tmf tmi tmm tmn tmo tmr tms tmt tmy tnd tne tnf tni tnm tnn tno tnr tns tnt to- tod toe tof toi tom ton too tor tos tot toy trd tre trf tri trm trn tro trr trs trt try tsd tse tsf tsi tsm tsn tso tsr tss tst tsy ttd tte ttf tti ttm ttn tto ttr tts ttt tty tyd tye tyf tym tyn tyo tyr tys tyt yde ydn ydo yds ydt ydy yed yee yef yei yem yen yeo yer yes yet yey yfd yfe yff yfm yfr yfs yft yid yie yif yii yim yin yio yir yis yit yme ymi ymm ymo yms ymt ynd yne ynn yns yny yod yoe yof yoi yom yon yoo yor yos yot yoy yre yrf yrn yro yrs yrt yse ysi ysm yso ysr yss yst ysy ytd yte ytf ytm ytn yto ytr yts ytt yye yyf yys yyt yyy