srh sri srl sro srp srr srs srt sry ss- ssb sse ssh ssi ssl sso ssp ssr sss sst stb ste sth sti stl sto stp str sts stt sty sy- syb sye syh syi syl syp syr sys syt tbb tbe tbh tbi tbl tbo tbp tbr tbs tbt te- teb tee teh tei tel teo tep ter tes tet tey th- thb the thh thi thl tho thp thr ths tht thy tib tie tih tii til tio tip tir tis tit tiy tle tlh tli tll tlo tlp tlr tls tlt to- tob toe toh toi tol too top tor tos tot toy tpb tpe tph tpi tpl tpo tpp tpr tps tpt trb tre trh tri trl tro trp trr trs trt try tsb tse tsh tsi tsl tso tsp tsr tss tst tsy ttb tte tth tti ttl tto ttp ttr tts ttt tty tye tyl tyo typ tyr tys tyt ybe ybi ybl ybp ybr ybs yby yeb yee yeh yei yel yeo yep yer yes yet yey yhe yhi yhs yht yie yih yii yio yip yir yis yit yle yli yll ylr yls ylt yly yob yoe yoi yol yoo yop yor yos yot yoy ypl ypo yps yre yro yrp yrs yrt ysb yse ysi ysl yso ysp ysr yss yst ysy yte yth ytl yto ytp ytr yts ytt yyb yye yys yyt yyy