slo sls slt sly sna snb sne snf sni snl snn sno sns snt sny soa sob soe sof soi sol son soo sos sot soy ss- ssa ssb sse ssf ssi ssl ssn sso sss sst sta stb ste stf sti stl stn sto sts stt sty sy- sya syb sye syi syl syn sys syt taa tab tae taf tai tal tan tao tas tat tay tba tbb tbe tbf tbi tbl tbn tbo tbs tbt te- tea teb tee tef tei tel ten teo tes tet tey tfa tfb tfe tff tfi tfl tfn tfo tfs tft tia tib tie tif tii til tin tio tis tit tiy tla tle tlf tli tll tln tlo tls tlt tna tnb tne tnf tni tnl tnn tno tns tnt to- toa tob toe tof toi tol ton too tos tot toy tsa tsb tse tsf tsi tsl tsn tso tss tst tsy tta ttb tte ttf tti ttl ttn tto tts ttt tty tya tye tyf tyl tyn tyo tys tyt yaa yab yae yaf yai yal yan yao yas yat yay ybe ybf ybi ybl ybs yby yea yeb yee yef yei yel yen yeo yes yet yey yfa yfe yff yfs yft yie yif yii yin yio yis yit yle yli yll yls ylt yly yna yne ynn yns yny yob yoe yof yoi yol yon yoo yos yot yoy ysa ysb yse ysi ysl yso yss yst ysy yta yte ytf ytl ytn yto yts ytt yyb yye yyf yys yyt yyy