sir sis sit sma smb smc smh smi smm smo smr sms smt smy soa sob soc soh soi som soo sor sos sot soy sr- sra srb src srh sri srm sro srr srs srt sry ss- ssa ssb ssc ssh ssi ssm sso ssr sss sst sta stb stc sth sti stm sto str sts stt sty sy- sya syb syc syh syi sym syr sys syt taa tab tac tah tai tam tao tar tas tat tay tba tbb tbc tbh tbi tbm tbo tbr tbs tbt tca tcb tcc tch tci tcm tco tcr tcs tct th- tha thb thc thh thi thm tho thr ths tht thy tia tib tic tih tii tim tio tir tis tit tiy tma tmb tmc tmh tmi tmm tmo tmr tms tmt tmy to- toa tob toc toh toi tom too tor tos tot toy tra trb trc trh tri trm tro trr trs trt try tsa tsb tsc tsh tsi tsm tso tsr tss tst tsy tta ttb ttc tth tti ttm tto ttr tts ttt tty tya tyc tym tyo tyr tys tyt yaa yab yac yah yai yam yao yar yas yat yay ybc ybi ybm ybr ybs yby yca ycc ych yci yco ycs ycy yha yhc yhi yhs yht yih yii yim yio yir yis yit yma ymc ymi ymm ymo yms ymt yob yoc yoi yom yoo yor yos yot yoy yra yrc yro yrs yrt ysa ysb ysc ysi ysm yso ysr yss yst ysy yta ytc yth ytm yto ytr yts ytt yyb yyc yys yyt yyy