sph spl spm spo spp spr sps spt spy sr- src sre srh srl srm sro srp srr srs srt sry ss- ssc sse ssh ssl ssm sso ssp ssr sss sst stc ste sth stl stm sto stp str sts stt sty sy- syc sye syh syl sym syp syr sys syt tcc tce tch tcl tcm tco tcp tcr tcs tct te- tec tee teh tel tem teo tep ter tes tet tey th- thc the thh thl thm tho thp thr ths tht thy tlc tle tlh tll tlm tlo tlp tlr tls tlt tmc tme tmh tml tmm tmo tmp tmr tms tmt tmy to- toc toe toh tol tom too top tor tos tot toy tpc tpe tph tpl tpm tpo tpp tpr tps tpt trc tre trh trl trm tro trp trr trs trt try tsc tse tsh tsl tsm tso tsp tsr tss tst tsy ttc tte tth ttl ttm tto ttp ttr tts ttt tty tyc tye tyl tym tyo typ tyr tys tyt ycc yce ych ycl yco ycp ycs ycy yec yee yeh yel yem yeo yep yer yes yet yey yhc yhe yhs yht ylc yle yll ylm ylr yls ylt yly ymc yme yml ymm ymo yms ymt yoc yoe yol yom yoo yop yor yos yot yoy ypl ypo yps yrc yre yro yrp yrs yrt ysc yse ysl ysm yso ysp ysr yss yst ysy ytc yte yth ytl ytm yto ytp ytr yts ytt yyc yye yys yyt yyy