soa sob soc soh sol soo sop sor sos sot soy spa spb spc sph spl spo spp spr sps spt spy sr- sra srb src srh srl sro srp srr srs srt sry ss- ssa ssb ssc ssh ssl sso ssp ssr sss sst sta stb stc sth stl sto stp str sts stt sty sy- sya syb syc syh syl syp syr sys syt taa tab tac tah tal tao tap tar tas tat tay tba tbb tbc tbh tbl tbo tbp tbr tbs tbt tca tcb tcc tch tcl tco tcp tcr tcs tct th- tha thb thc thh thl tho thp thr ths tht thy tla tlc tlh tll tlo tlp tlr tls tlt to- toa tob toc toh tol too top tor tos tot toy tpa tpb tpc tph tpl tpo tpp tpr tps tpt tra trb trc trh trl tro trp trr trs trt try tsa tsb tsc tsh tsl tso tsp tsr tss tst tsy tta ttb ttc tth ttl tto ttp ttr tts ttt tty tya tyc tyl tyo typ tyr tys tyt yaa yab yac yah yal yao yap yar yas yat yay ybc ybl ybp ybr ybs yby yca ycc ych ycl yco ycp ycs ycy yha yhc yhs yht ylc yll ylr yls ylt yly yob yoc yol yoo yop yor yos yot yoy ypa ypl ypo yps yra yrc yro yrp yrs yrt ysa ysb ysc ysl yso ysp ysr yss yst ysy yta ytc yth ytl yto ytp ytr yts ytt yyb yyc yys yyt yyy