sng sni snl snn sno snp sns snt sny soa soc sog soi sol son soo sop sos sot soy spa spc spg spi spl spn spo spp sps spt spy ss- ssa ssc ssg ssi ssl ssn sso ssp sss sst sta stc stg sti stl stn sto stp sts stt sty sy- sya syc syg syi syl syn syp sys syt taa tac tag tai tal tan tao tap tas tat tay tca tcc tcg tci tcl tcn tco tcp tcs tct tga tgc tgg tgi tgl tgn tgo tgp tgs tgt tgy tia tic tig tii til tin tio tip tis tit tiy tla tlc tlg tli tll tln tlo tlp tls tlt tna tnc tng tni tnl tnn tno tnp tns tnt to- toa toc tog toi tol ton too top tos tot toy tpa tpc tpg tpi tpl tpn tpo tpp tps tpt tsa tsc tsg tsi tsl tsn tso tsp tss tst tsy tta ttc ttg tti ttl ttn tto ttp tts ttt tty tya tyc tyg tyl tyn tyo typ tys tyt yaa yac yag yai yal yan yao yap yas yat yay yca ycc yci ycl yco ycp ycs ycy yga ygc ygl ygo yig yii yin yio yip yis yit ylc ylg yli yll yls ylt yly yna yng ynn ynp yns yny yoc yog yoi yol yon yoo yop yos yot yoy ypa ypg ypl ypo yps ysa ysc ysg ysi ysl yso ysp yss yst ysy yta ytc ytl ytn yto ytp yts ytt yyc yyg yys yyt yyy