set sey sma smc smd sme smm smn smo smr sms smt smy sna snc snd sne snm snn sno snr sns snt sny soa soc sod soe som son soo sor sos sot soy sr- sra src srd sre srm srn sro srr srs srt sry ss- ssa ssc ssd sse ssm ssn sso ssr sss sst sta stc std ste stm stn sto str sts stt sty sy- sya syc syd sye sym syn syr sys syt taa tac tad tae tam tan tao tar tas tat tay tca tcc tcd tce tcm tcn tco tcr tcs tct tda tdc tdd tde tdm tdn tdo tdr tds tdt tdy te- tea tec ted tee tem ten teo ter tes tet tey tma tmc tmd tme tmm tmn tmo tmr tms tmt tmy tna tnc tnd tne tnm tnn tno tnr tns tnt to- toa toc tod toe tom ton too tor tos tot toy tra trc trd tre trm trn tro trr trs trt try tsa tsc tsd tse tsm tsn tso tsr tss tst tsy tta ttc ttd tte ttm ttn tto ttr tts ttt tty tya tyc tyd tye tym tyn tyo tyr tys tyt yaa yac yad yae yam yan yao yar yas yat yay yca ycc ycd yce yco ycs ycy yda yde ydn ydo yds ydt ydy yea yec yed yee yem yen yeo yer yes yet yey yma ymc yme ymm ymo yms ymt yna ynd yne ynn yns yny yoc yod yoe yom yon yoo yor yos yot yoy yra yrc yre yrn yro yrs yrt ysa ysc yse ysm yso ysr yss yst ysy yta ytc ytd yte ytm ytn yto ytr yts ytt yyc yye yys yyt yyy