slo slp slr sls slt sly soa sob soc soi sol soo sop sor sos sot soy spa spb spc spi spl spo spp spr sps spt spy sr- sra srb src sri srl sro srp srr srs srt sry ss- ssa ssb ssc ssi ssl sso ssp ssr sss sst sta stb stc sti stl sto stp str sts stt sty sy- sya syb syc syi syl syp syr sys syt taa tab tac tai tal tao tap tar tas tat tay tba tbb tbc tbi tbl tbo tbp tbr tbs tbt tca tcb tcc tci tcl tco tcp tcr tcs tct tia tib tic tii til tio tip tir tis tit tiy tla tlc tli tll tlo tlp tlr tls tlt to- toa tob toc toi tol too top tor tos tot toy tpa tpb tpc tpi tpl tpo tpp tpr tps tpt tra trb trc tri trl tro trp trr trs trt try tsa tsb tsc tsi tsl tso tsp tsr tss tst tsy tta ttb ttc tti ttl tto ttp ttr tts ttt tty tya tyc tyl tyo typ tyr tys tyt yaa yab yac yai yal yao yap yar yas yat yay ybc ybi ybl ybp ybr ybs yby yca ycc yci ycl yco ycp ycs ycy yii yio yip yir yis yit ylc yli yll ylr yls ylt yly yob yoc yoi yol yoo yop yor yos yot yoy ypa ypl ypo yps yra yrc yro yrp yrs yrt ysa ysb ysc ysi ysl yso ysp ysr yss yst ysy yta ytc ytl yto ytp ytr yts ytt yyb yyc yys yyt yyy