sob sod soe sog soi som son soo sos sot soy ss- ssb ssd sse ssg ssi ssm ssn sso sss sst stb std ste stg sti stm stn sto sts stt sty sy- syb syd sye syg syi sym syn sys syt tbb tbd tbe tbg tbi tbm tbn tbo tbs tbt tdb tdd tde tdg tdi tdm tdn tdo tds tdt tdy te- teb ted tee teg tei tem ten teo tes tet tey tgb tge tgg tgi tgm tgn tgo tgs tgt tgy tib tid tie tig tii tim tin tio tis tit tiy tmb tmd tme tmg tmi tmm tmn tmo tms tmt tmy tnb tnd tne tng tni tnm tnn tno tns tnt to- tob tod toe tog toi tom ton too tos tot toy tsb tsd tse tsg tsi tsm tsn tso tss tst tsy ttb ttd tte ttg tti ttm ttn tto tts ttt tty tyd tye tyg tym tyn tyo tys tyt ybe ybg ybi ybm ybs yby yde ydg ydn ydo yds ydt ydy yeb yed yee yeg yei yem yen yeo yes yet yey ygm ygo yid yie yig yii yim yin yio yis yit yme ymg ymi ymm ymo yms ymt ynd yne yng ynn yns yny yob yod yoe yog yoi yom yon yoo yos yot yoy ysb yse ysg ysi ysm yso yss yst ysy ytd yte ytm ytn yto yts ytt yyb yye yyg yys yyt yyy