srn sro srr srs srt sry ss- ssa ssb sse ssi ssk ssn sso ssr sss sst sta stb ste sti stk stn sto str sts stt sty sy- sya syb sye syi syk syn syr sys syt taa tab tae tai tak tan tao tar tas tat tay tba tbb tbe tbi tbk tbn tbo tbr tbs tbt te- tea teb tee tei tek ten teo ter tes tet tey tia tib tie tii tik tin tio tir tis tit tiy tka tkb tke tkk tko tkr tks tkt tky tna tnb tne tni tnk tnn tno tnr tns tnt to- toa tob toe toi tok ton too tor tos tot toy tra trb tre tri trk trn tro trr trs trt try tsa tsb tse tsi tsk tsn tso tsr tss tst tsy tta ttb tte tti ttk ttn tto ttr tts ttt tty tya tye tyn tyo tyr tys tyt yaa yab yae yai yak yan yao yar yas yat yay ybe ybi ybr ybs yby yea yeb yee yei yek yen yeo yer yes yet yey yie yii yin yio yir yis yit yka yki ykk ykn yna yne ynk ynn yns yny yob yoe yoi yok yon yoo yor yos yot yoy yra yre yrn yro yrs yrt ysa ysb yse ysi ysk yso ysr yss yst ysy yta yte ytk ytn yto ytr yts ytt yyb yye yys yyt yyy