sll slo slp slr sls slt sly soa soc soe soi sol soo sop sor sos sot soy spa spc spe spi spl spo spp spr sps spt spy sr- sra src sre sri srl sro srp srr srs srt sry ss- ssa ssc sse ssi ssl sso ssp ssr sss sst sta stc ste sti stl sto stp str sts stt sty sy- sya syc sye syi syl syp syr sys syt taa tac tae tai tal tao tap tar tas tat tay tca tcc tce tci tcl tco tcp tcr tcs tct te- tea tec tee tei tel teo tep ter tes tet tey tia tic tie tii til tio tip tir tis tit tiy tla tlc tle tli tll tlo tlp tlr tls tlt to- toa toc toe toi tol too top tor tos tot toy tpa tpc tpe tpi tpl tpo tpp tpr tps tpt tra trc tre tri trl tro trp trr trs trt try tsa tsc tse tsi tsl tso tsp tsr tss tst tsy tta ttc tte tti ttl tto ttp ttr tts ttt tty tya tyc tye tyl tyo typ tyr tys tyt yaa yac yae yai yal yao yap yar yas yat yay yca ycc yce yci ycl yco ycp ycs ycy yea yec yee yei yel yeo yep yer yes yet yey yie yii yio yip yir yis yit ylc yle yli yll ylr yls ylt yly yoc yoe yoi yol yoo yop yor yos yot yoy ypa ypl ypo yps yra yrc yre yro yrp yrs yrt ysa ysc yse ysi ysl yso ysp ysr yss yst ysy yta ytc yte ytl yto ytp ytr yts ytt yyc yye yys yyt yyy