ssm ssn sso ssr sss sst ste stf stg sti stm stn sto str sts stt sty sy- sye syg syi sym syn syr sys syt te- tee tef teg tei tem ten teo ter tes tet tey tfe tff tfg tfi tfm tfn tfo tfr tfs tft tge tgf tgg tgi tgm tgn tgo tgr tgs tgt tgy tie tif tig tii tim tin tio tir tis tit tiy tme tmf tmg tmi tmm tmn tmo tmr tms tmt tmy tne tnf tng tni tnm tnn tno tnr tns tnt to- toe tof tog toi tom ton too tor tos tot toy tre trf trg tri trm trn tro trr trs trt try tse tsf tsg tsi tsm tsn tso tsr tss tst tsy tte ttf ttg tti ttm ttn tto ttr tts ttt tty tye tyf tyg tym tyn tyo tyr tys tyt yee yef yeg yei yem yen yeo yer yes yet yey yfe yff yfm yfr yfs yft ygm ygo yie yif yig yii yim yin yio yir yis yit yme ymg ymi ymm ymo yms ymt yne yng ynn yns yny yoe yof yog yoi yom yon yoo yor yos yot yoy yre yrf yrg yrn yro yrs yrt yse ysg ysi ysm yso ysr yss yst ysy yte ytf ytm ytn yto ytr yts ytt yye yyf yyg yys yyt yyy