spa spc spd spg sph spo spp spr sps spt spy sr- sra src srd srg srh sro srp srr srs srt sry ss- ssa ssc ssd ssg ssh sso ssp ssr sss sst sta stc std stg sth sto stp str sts stt sty sy- sya syc syd syg syh syp syr sys syt taa tac tad tag tah tao tap tar tas tat tay tca tcc tcd tcg tch tco tcp tcr tcs tct tda tdc tdd tdg tdh tdo tdp tdr tds tdt tdy tga tgc tgg tgh tgo tgp tgr tgs tgt tgy th- tha thc thd thg thh tho thp thr ths tht thy to- toa toc tod tog toh too top tor tos tot toy tpa tpc tpd tpg tph tpo tpp tpr tps tpt tra trc trd trg trh tro trp trr trs trt try tsa tsc tsd tsg tsh tso tsp tsr tss tst tsy tta ttc ttd ttg tth tto ttp ttr tts ttt tty tya tyc tyd tyg tyo typ tyr tys tyt yaa yac yad yag yah yao yap yar yas yat yay yca ycc ycd ych yco ycp ycs ycy yda ydg ydo yds ydt ydy yga ygc ygo yha yhc yhs yht yoc yod yog yoo yop yor yos yot yoy ypa ypd ypg ypo yps yra yrc yrg yro yrp yrs yrt ysa ysc ysg yso ysp ysr yss yst ysy yta ytc ytd yth yto ytp ytr yts ytt yyc yyg yys yyt yyy