sol som soo sop sos sot soy spd spe sph spi spl spm spo spp sps spt spy ss- ssd sse ssh ssi ssl ssm sso ssp sss sst std ste sth sti stl stm sto stp sts stt sty sy- syd sye syh syi syl sym syp sys syt tdd tde tdh tdi tdl tdm tdo tdp tds tdt tdy te- ted tee teh tei tel tem teo tep tes tet tey th- thd the thh thi thl thm tho thp ths tht thy tid tie tih tii til tim tio tip tis tit tiy tld tle tlh tli tll tlm tlo tlp tls tlt tmd tme tmh tmi tml tmm tmo tmp tms tmt tmy to- tod toe toh toi tol tom too top tos tot toy tpd tpe tph tpi tpl tpm tpo tpp tps tpt tsd tse tsh tsi tsl tsm tso tsp tss tst tsy ttd tte tth tti ttl ttm tto ttp tts ttt tty tyd tye tyl tym tyo typ tys tyt yde ydl ydo yds ydt ydy yed yee yeh yei yel yem yeo yep yes yet yey yhe yhi yhs yht yid yie yih yii yim yio yip yis yit yld yle yli yll ylm yls ylt yly yme ymi yml ymm ymo yms ymt yod yoe yoi yol yom yoo yop yos yot yoy ypd ypl ypo yps yse ysi ysl ysm yso ysp yss yst ysy ytd yte yth ytl ytm yto ytp yts ytt yye yys yyt yyy