sll slo sls slt sly soa sob soe sof soh soi sol soo sos sot soy ss- ssa ssb sse ssf ssh ssi ssl sso sss sst sta stb ste stf sth sti stl sto sts stt sty sy- sya syb sye syh syi syl sys syt taa tab tae taf tah tai tal tao tas tat tay tba tbb tbe tbf tbh tbi tbl tbo tbs tbt te- tea teb tee tef teh tei tel teo tes tet tey tfa tfb tfe tff tfh tfi tfl tfo tfs tft th- tha thb the thf thh thi thl tho ths tht thy tia tib tie tif tih tii til tio tis tit tiy tla tle tlf tlh tli tll tlo tls tlt to- toa tob toe tof toh toi tol too tos tot toy tsa tsb tse tsf tsh tsi tsl tso tss tst tsy tta ttb tte ttf tth tti ttl tto tts ttt tty tya tye tyf tyl tyo tys tyt yaa yab yae yaf yah yai yal yao yas yat yay ybe ybf ybi ybl ybs yby yea yeb yee yef yeh yei yel yeo yes yet yey yfa yfe yff yfs yft yha yhe yhi yhs yht yie yif yih yii yio yis yit yle yli yll yls ylt yly yob yoe yof yoi yol yoo yos yot yoy ysa ysb yse ysi ysl yso yss yst ysy yta yte ytf yth ytl yto yts ytt yyb yye yyf yys yyt yyy