sor sos sot soy spd spe spl spm spn spo spp spr sps spt spy sr- srd sre srl srm srn sro srp srr srs srt sry ss- ssd sse ssl ssm ssn sso ssp ssr sss sst std ste stl stm stn sto stp str sts stt sty sy- syd sye syl sym syn syp syr sys syt tdd tde tdl tdm tdn tdo tdp tdr tds tdt tdy te- ted tee tel tem ten teo tep ter tes tet tey tld tle tll tlm tln tlo tlp tlr tls tlt tmd tme tml tmm tmn tmo tmp tmr tms tmt tmy tnd tne tnl tnm tnn tno tnp tnr tns tnt to- tod toe tol tom ton too top tor tos tot toy tpd tpe tpl tpm tpn tpo tpp tpr tps tpt trd tre trl trm trn tro trp trr trs trt try tsd tse tsl tsm tsn tso tsp tsr tss tst tsy ttd tte ttl ttm ttn tto ttp ttr tts ttt tty tyd tye tyl tym tyn tyo typ tyr tys tyt yde ydl ydn ydo yds ydt ydy yed yee yel yem yen yeo yep yer yes yet yey yld yle yll ylm ylr yls ylt yly yme yml ymm ymo yms ymt ynd yne ynn ynp yns yny yod yoe yol yom yon yoo yop yor yos yot yoy ypd ypl ypo yps yre yrn yro yrp yrs yrt yse ysl ysm yso ysp ysr yss yst ysy ytd yte ytl ytm ytn yto ytp ytr yts ytt yye yys yyt yyy