spa spc spg sph spi spo spp spr sps spt spy sr- sra src srg srh sri sro srp srr srs srt sry ss- ssa ssc ssg ssh ssi sso ssp ssr sss sst sta stc stg sth sti sto stp str sts stt sty sy- sya syc syg syh syi syp syr sys syt taa tac tag tah tai tao tap tar tas tat tay tca tcc tcg tch tci tco tcp tcr tcs tct tga tgc tgg tgh tgi tgo tgp tgr tgs tgt tgy th- tha thc thg thh thi tho thp thr ths tht thy tia tic tig tih tii tio tip tir tis tit tiy to- toa toc tog toh toi too top tor tos tot toy tpa tpc tpg tph tpi tpo tpp tpr tps tpt tra trc trg trh tri tro trp trr trs trt try tsa tsc tsg tsh tsi tso tsp tsr tss tst tsy tta ttc ttg tth tti tto ttp ttr tts ttt tty tya tyc tyg tyo typ tyr tys tyt yaa yac yag yah yai yao yap yar yas yat yay yca ycc ych yci yco ycp ycs ycy yga ygc ygo yha yhc yhi yhs yht yig yih yii yio yip yir yis yit yoc yog yoi yoo yop yor yos yot yoy ypa ypg ypo yps yra yrc yrg yro yrp yrs yrt ysa ysc ysg ysi yso ysp ysr yss yst ysy yta ytc yth yto ytp ytr yts ytt yyc yyg yys yyt yyy