str sts stt sty sy- sya sye syk syl syn syr sys syt taa tae taf tak tal tan tao tar tas tat tay te- tea tee tef tek tel ten teo ter tes tet tey tfa tfe tff tfk tfl tfn tfo tfr tfs tft tka tke tkk tkl tko tkr tks tkt tky tla tle tlf tlk tll tln tlo tlr tls tlt tna tne tnf tnk tnl tnn tno tnr tns tnt to- toa toe tof tok tol ton too tor tos tot toy tra tre trf trk trl trn tro trr trs trt try tsa tse tsf tsk tsl tsn tso tsr tss tst tsy tta tte ttf ttk ttl ttn tto ttr tts ttt tty tya tye tyf tyl tyn tyo tyr tys tyt yaa yae yaf yak yal yan yao yar yas yat yay yea yee yef yek yel yen yeo yer yes yet yey yfa yfe yff yfr yfs yft yka ykk ykn yle ylk yll ylr yls ylt yly yna yne ynk ynn yns yny yoe yof yok yol yon yoo yor yos yot yoy yra yre yrf yrn yro yrs yrt ysa yse ysk ysl yso ysr yss yst ysy yta yte ytf ytk ytl ytn yto ytr yts ytt yye yyf yys yyt yyy