sod soe soh soi sol soo sop sos sot soy spc spd spe sph spi spl spo spp sps spt spy ss- ssc ssd sse ssh ssi ssl sso ssp sss sst stc std ste sth sti stl sto stp sts stt sty sy- syc syd sye syh syi syl syp sys syt tcc tcd tce tch tci tcl tco tcp tcs tct tdc tdd tde tdh tdi tdl tdo tdp tds tdt tdy te- tec ted tee teh tei tel teo tep tes tet tey th- thc thd the thh thi thl tho thp ths tht thy tic tid tie tih tii til tio tip tis tit tiy tlc tld tle tlh tli tll tlo tlp tls tlt to- toc tod toe toh toi tol too top tos tot toy tpc tpd tpe tph tpi tpl tpo tpp tps tpt tsc tsd tse tsh tsi tsl tso tsp tss tst tsy ttc ttd tte tth tti ttl tto ttp tts ttt tty tyc tyd tye tyl tyo typ tys tyt ycc ycd yce ych yci ycl yco ycp ycs ycy yde ydl ydo yds ydt ydy yec yed yee yeh yei yel yeo yep yes yet yey yhc yhe yhi yhs yht yid yie yih yii yio yip yis yit ylc yld yle yli yll yls ylt yly yoc yod yoe yoi yol yoo yop yos yot yoy ypd ypl ypo yps ysc yse ysi ysl yso ysp yss yst ysy ytc ytd yte yth ytl yto ytp yts ytt yyc yye yys yyt yyy