snp sns snt sny soc sod soe soh sol son soo sop sos sot soy spc spd spe sph spl spn spo spp sps spt spy ss- ssc ssd sse ssh ssl ssn sso ssp sss sst stc std ste sth stl stn sto stp sts stt sty sy- syc syd sye syh syl syn syp sys syt tcc tcd tce tch tcl tcn tco tcp tcs tct tdc tdd tde tdh tdl tdn tdo tdp tds tdt tdy te- tec ted tee teh tel ten teo tep tes tet tey th- thc thd the thh thl thn tho thp ths tht thy tlc tld tle tlh tll tln tlo tlp tls tlt tnc tnd tne tnh tnl tnn tno tnp tns tnt to- toc tod toe toh tol ton too top tos tot toy tpc tpd tpe tph tpl tpn tpo tpp tps tpt tsc tsd tse tsh tsl tsn tso tsp tss tst tsy ttc ttd tte tth ttl ttn tto ttp tts ttt tty tyc tyd tye tyl tyn tyo typ tys tyt ycc ycd yce ych ycl yco ycp ycs ycy yde ydl ydn ydo yds ydt ydy yec yed yee yeh yel yen yeo yep yes yet yey yhc yhe yhs yht ylc yld yle yll yls ylt yly ynd yne ynn ynp yns yny yoc yod yoe yol yon yoo yop yos yot yoy ypd ypl ypo yps ysc yse ysl yso ysp yss yst ysy ytc ytd yte yth ytl ytn yto ytp yts ytt yyc yye yys yyt yyy