spf spg spn spo spp spr sps spt spy sr- sra sre srf srg srn sro srp srr srs srt sry ss- ssa sse ssf ssg ssn sso ssp ssr sss sst sta ste stf stg stn sto stp str sts stt sty sy- sya sye syg syn syp syr sys syt taa tae taf tag tan tao tap tar tas tat tay te- tea tee tef teg ten teo tep ter tes tet tey tfa tfe tff tfg tfn tfo tfp tfr tfs tft tga tge tgf tgg tgn tgo tgp tgr tgs tgt tgy tna tne tnf tng tnn tno tnp tnr tns tnt to- toa toe tof tog ton too top tor tos tot toy tpa tpe tpf tpg tpn tpo tpp tpr tps tpt tra tre trf trg trn tro trp trr trs trt try tsa tse tsf tsg tsn tso tsp tsr tss tst tsy tta tte ttf ttg ttn tto ttp ttr tts ttt tty tya tye tyf tyg tyn tyo typ tyr tys tyt yaa yae yaf yag yan yao yap yar yas yat yay yea yee yef yeg yen yeo yep yer yes yet yey yfa yfe yff yfr yfs yft yga ygo yna yne yng ynn ynp yns yny yoe yof yog yon yoo yop yor yos yot yoy ypa ypf ypg ypo yps yra yre yrf yrg yrn yro yrp yrs yrt ysa yse ysg yso ysp ysr yss yst ysy yta yte ytf ytn yto ytp ytr yts ytt yye yyf yyg yys yyt yyy