sit soa sob sod soh soi soo sop sor sos sot soy spa spb spd sph spi spo spp spr sps spt spy sr- sra srb srd srh sri sro srp srr srs srt sry ss- ssa ssb ssd ssh ssi sso ssp ssr sss sst sta stb std sth sti sto stp str sts stt sty sy- sya syb syd syh syi syp syr sys syt taa tab tad tah tai tao tap tar tas tat tay tba tbb tbd tbh tbi tbo tbp tbr tbs tbt tda tdb tdd tdh tdi tdo tdp tdr tds tdt tdy th- tha thb thd thh thi tho thp thr ths tht thy tia tib tid tih tii tio tip tir tis tit tiy to- toa tob tod toh toi too top tor tos tot toy tpa tpb tpd tph tpi tpo tpp tpr tps tpt tra trb trd trh tri tro trp trr trs trt try tsa tsb tsd tsh tsi tso tsp tsr tss tst tsy tta ttb ttd tth tti tto ttp ttr tts ttt tty tya tyd tyo typ tyr tys tyt yaa yab yad yah yai yao yap yar yas yat yay ybi ybp ybr ybs yby yda ydo yds ydt ydy yha yhi yhs yht yid yih yii yio yip yir yis yit yob yod yoi yoo yop yor yos yot yoy ypa ypd ypo yps yra yro yrp yrs yrt ysa ysb ysi yso ysp ysr yss yst ysy yta ytd yth yto ytp ytr yts ytt yyb yys yyt yyy