soi sol son soo sor sos sot soy sr- srb src sre sri srl srn sro srr srs srt sry ss- ssb ssc sse ssi ssl ssn sso ssr sss sst stb stc ste sti stl stn sto str sts stt sty sy- syb syc sye syi syl syn syr sys syt tbb tbc tbe tbi tbl tbn tbo tbr tbs tbt tcb tcc tce tci tcl tcn tco tcr tcs tct te- teb tec tee tei tel ten teo ter tes tet tey tib tic tie tii til tin tio tir tis tit tiy tlc tle tli tll tln tlo tlr tls tlt tnb tnc tne tni tnl tnn tno tnr tns tnt to- tob toc toe toi tol ton too tor tos tot toy trb trc tre tri trl trn tro trr trs trt try tsb tsc tse tsi tsl tsn tso tsr tss tst tsy ttb ttc tte tti ttl ttn tto ttr tts ttt tty tyc tye tyl tyn tyo tyr tys tyt ybc ybe ybi ybl ybr ybs yby ycc yce yci ycl yco ycs ycy yeb yec yee yei yel yen yeo yer yes yet yey yie yii yin yio yir yis yit ylc yle yli yll ylr yls ylt yly yne ynn yns yny yob yoc yoe yoi yol yon yoo yor yos yot yoy yrc yre yrn yro yrs yrt ysb ysc yse ysi ysl yso ysr yss yst ysy ytc yte ytl ytn yto ytr yts ytt yyb yyc yye yys yyt yyy