sms smt smy sob soc soe soi sol som soo sor sos sot soy sr- srb src sre sri srl srm sro srr srs srt sry ss- ssb ssc sse ssi ssl ssm sso ssr sss sst stb stc ste sti stl stm sto str sts stt sty sy- syb syc sye syi syl sym syr sys syt tbb tbc tbe tbi tbl tbm tbo tbr tbs tbt tcb tcc tce tci tcl tcm tco tcr tcs tct te- teb tec tee tei tel tem teo ter tes tet tey tib tic tie tii til tim tio tir tis tit tiy tlc tle tli tll tlm tlo tlr tls tlt tmb tmc tme tmi tml tmm tmo tmr tms tmt tmy to- tob toc toe toi tol tom too tor tos tot toy trb trc tre tri trl trm tro trr trs trt try tsb tsc tse tsi tsl tsm tso tsr tss tst tsy ttb ttc tte tti ttl ttm tto ttr tts ttt tty tyc tye tyl tym tyo tyr tys tyt ybc ybe ybi ybl ybm ybr ybs yby ycc yce yci ycl yco ycs ycy yeb yec yee yei yel yem yeo yer yes yet yey yie yii yim yio yir yis yit ylc yle yli yll ylm ylr yls ylt yly ymc yme ymi yml ymm ymo yms ymt yob yoc yoe yoi yol yom yoo yor yos yot yoy yrc yre yro yrs yrt ysb ysc yse ysi ysl ysm yso ysr yss yst ysy ytc yte ytl ytm yto ytr yts ytt yyb yyc yye yys yyt yyy