spn spo spp spr sps spt spy sr- sra srd sre srk srn sro srp srr srs srt sry ss- ssa ssd sse ssk ssn sso ssp ssr sss sst sta std ste stk stn sto stp str sts stt sty sy- sya syd sye syk syn syp syr sys syt taa tad tae tak tan tao tap tar tas tat tay tda tdd tde tdk tdn tdo tdp tdr tds tdt tdy te- tea ted tee tek ten teo tep ter tes tet tey tka tke tkk tko tkp tkr tks tkt tky tna tnd tne tnk tnn tno tnp tnr tns tnt to- toa tod toe tok ton too top tor tos tot toy tpa tpd tpe tpk tpn tpo tpp tpr tps tpt tra trd tre trk trn tro trp trr trs trt try tsa tsd tse tsk tsn tso tsp tsr tss tst tsy tta ttd tte ttk ttn tto ttp ttr tts ttt tty tya tyd tye tyn tyo typ tyr tys tyt yaa yad yae yak yan yao yap yar yas yat yay yda yde ydn ydo yds ydt ydy yea yed yee yek yen yeo yep yer yes yet yey yka ykk ykn yna ynd yne ynk ynn ynp yns yny yod yoe yok yon yoo yop yor yos yot yoy ypa ypd ypo yps yra yre yrn yro yrp yrs yrt ysa yse ysk yso ysp ysr yss yst ysy yta ytd yte ytk ytn yto ytp ytr yts ytt yye yys yyt yyy