sr- sra src srd sre srk srl srn srr srs srt sry ss- ssa ssc ssd sse ssk ssl ssn ssr sss sst sta stc std ste stk stl stn str sts stt sty sy- sya syc syd sye syk syl syn syr sys syt taa tac tad tae tak tal tan tar tas tat tay tca tcc tcd tce tck tcl tcn tcr tcs tct tda tdc tdd tde tdk tdl tdn tdr tds tdt tdy te- tea tec ted tee tek tel ten ter tes tet tey tka tkc tke tkk tkl tkr tks tkt tky tla tlc tld tle tlk tll tln tlr tls tlt tna tnc tnd tne tnk tnl tnn tnr tns tnt tra trc trd tre trk trl trn trr trs trt try tsa tsc tsd tse tsk tsl tsn tsr tss tst tsy tta ttc ttd tte ttk ttl ttn ttr tts ttt tty tya tyc tyd tye tyl tyn tyr tys tyt yaa yac yad yae yak yal yan yar yas yat yay yca ycc ycd yce ycl ycs ycy yda yde ydl ydn yds ydt ydy yea yec yed yee yek yel yen yer yes yet yey yka ykk ykn ylc yld yle ylk yll ylr yls ylt yly yna ynd yne ynk ynn yns yny yra yrc yre yrn yrs yrt ysa ysc yse ysk ysl ysr yss yst ysy yta ytc ytd yte ytk ytl ytn ytr yts ytt yyc yye yys yyt yyy