sna snb snc sni snl snn sno snr sns snt sny soa sob soc soi sol son soo sor sos sot soy sr- sra srb src sri srl srn sro srr srs srt sry ss- ssa ssb ssc ssi ssl ssn sso ssr sss sst sta stb stc sti stl stn sto str sts stt sty sy- sya syb syc syi syl syn syr sys syt taa tab tac tai tal tan tao tar tas tat tay tba tbb tbc tbi tbl tbn tbo tbr tbs tbt tca tcb tcc tci tcl tcn tco tcr tcs tct tia tib tic tii til tin tio tir tis tit tiy tla tlc tli tll tln tlo tlr tls tlt tna tnb tnc tni tnl tnn tno tnr tns tnt to- toa tob toc toi tol ton too tor tos tot toy tra trb trc tri trl trn tro trr trs trt try tsa tsb tsc tsi tsl tsn tso tsr tss tst tsy tta ttb ttc tti ttl ttn tto ttr tts ttt tty tya tyc tyl tyn tyo tyr tys tyt yaa yab yac yai yal yan yao yar yas yat yay ybc ybi ybl ybr ybs yby yca ycc yci ycl yco ycs ycy yii yin yio yir yis yit ylc yli yll ylr yls ylt yly yna ynn yns yny yob yoc yoi yol yon yoo yor yos yot yoy yra yrc yrn yro yrs yrt ysa ysb ysc ysi ysl yso ysr yss yst ysy yta ytc ytl ytn yto ytr yts ytt yyb yyc yys yyt yyy