sis sit sla sld sle sli sll sln slo slp sls slt sly sna snd sne sni snl snn sno snp sns snt sny soa sod soe soi sol son soo sop sos sot soy spa spd spe spi spl spn spo spp sps spt spy ss- ssa ssd sse ssi ssl ssn sso ssp sss sst sta std ste sti stl stn sto stp sts stt sty sy- sya syd sye syi syl syn syp sys syt taa tad tae tai tal tan tao tap tas tat tay tda tdd tde tdi tdl tdn tdo tdp tds tdt tdy te- tea ted tee tei tel ten teo tep tes tet tey tia tid tie tii til tin tio tip tis tit tiy tla tld tle tli tll tln tlo tlp tls tlt tna tnd tne tni tnl tnn tno tnp tns tnt to- toa tod toe toi tol ton too top tos tot toy tpa tpd tpe tpi tpl tpn tpo tpp tps tpt tsa tsd tse tsi tsl tsn tso tsp tss tst tsy tta ttd tte tti ttl ttn tto ttp tts ttt tty tya tyd tye tyl tyn tyo typ tys tyt yaa yad yae yai yal yan yao yap yas yat yay yda yde ydl ydn ydo yds ydt ydy yea yed yee yei yel yen yeo yep yes yet yey yid yie yii yin yio yip yis yit yld yle yli yll yls ylt yly yna ynd yne ynn ynp yns yny yod yoe yoi yol yon yoo yop yos yot yoy ypa ypd ypl ypo yps ysa yse ysi ysl yso ysp yss yst ysy yta ytd yte ytl ytn yto ytp yts ytt yye yys yyt yyy