sit soa sob soc soh soi soo sop sor sos sot soy spa spb spc sph spi spo spp spr sps spt spy sr- sra srb src srh sri sro srp srr srs srt sry ss- ssa ssb ssc ssh ssi sso ssp ssr sss sst sta stb stc sth sti sto stp str sts stt sty sy- sya syb syc syh syi syp syr sys syt taa tab tac tah tai tao tap tar tas tat tay tba tbb tbc tbh tbi tbo tbp tbr tbs tbt tca tcb tcc tch tci tco tcp tcr tcs tct th- tha thb thc thh thi tho thp thr ths tht thy tia tib tic tih tii tio tip tir tis tit tiy to- toa tob toc toh toi too top tor tos tot toy tpa tpb tpc tph tpi tpo tpp tpr tps tpt tra trb trc trh tri tro trp trr trs trt try tsa tsb tsc tsh tsi tso tsp tsr tss tst tsy tta ttb ttc tth tti tto ttp ttr tts ttt tty tya tyc tyo typ tyr tys tyt yaa yab yac yah yai yao yap yar yas yat yay ybc ybi ybp ybr ybs yby yca ycc ych yci yco ycp ycs ycy yha yhc yhi yhs yht yih yii yio yip yir yis yit yob yoc yoi yoo yop yor yos yot yoy ypa ypo yps yra yrc yro yrp yrs yrt ysa ysb ysc ysi yso ysp ysr yss yst ysy yta ytc yth yto ytp ytr yts ytt yyb yyc yys yyt yyy