soo sop sor sos sot soy spa spb spe spf sph spo spp spr sps spt spy sr- sra srb sre srf srh sro srp srr srs srt sry ss- ssa ssb sse ssf ssh sso ssp ssr sss sst sta stb ste stf sth sto stp str sts stt sty sy- sya syb sye syh syp syr sys syt taa tab tae taf tah tao tap tar tas tat tay tba tbb tbe tbf tbh tbo tbp tbr tbs tbt te- tea teb tee tef teh teo tep ter tes tet tey tfa tfb tfe tff tfh tfo tfp tfr tfs tft th- tha thb the thf thh tho thp thr ths tht thy to- toa tob toe tof toh too top tor tos tot toy tpa tpb tpe tpf tph tpo tpp tpr tps tpt tra trb tre trf trh tro trp trr trs trt try tsa tsb tse tsf tsh tso tsp tsr tss tst tsy tta ttb tte ttf tth tto ttp ttr tts ttt tty tya tye tyf tyo typ tyr tys tyt yaa yab yae yaf yah yao yap yar yas yat yay ybe ybf ybp ybr ybs yby yea yeb yee yef yeh yeo yep yer yes yet yey yfa yfe yff yfr yfs yft yha yhe yhs yht yob yoe yof yoo yop yor yos yot yoy ypa ypf ypo yps yra yre yrf yro yrp yrs yrt ysa ysb yse yso ysp ysr yss yst ysy yta yte ytf yth yto ytp ytr yts ytt yyb yye yyf yys yyt yyy