shy sna snb snc sne snn sno snr sns snt sny soa sob soc soe soh son soo sor sos sot soy sr- sra srb src sre srh srn sro srr srs srt sry ss- ssa ssb ssc sse ssh ssn sso ssr sss sst sta stb stc ste sth stn sto str sts stt sty sy- sya syb syc sye syh syn syr sys syt taa tab tac tae tah tan tao tar tas tat tay tba tbb tbc tbe tbh tbn tbo tbr tbs tbt tca tcb tcc tce tch tcn tco tcr tcs tct te- tea teb tec tee teh ten teo ter tes tet tey th- tha thb thc the thh thn tho thr ths tht thy tna tnb tnc tne tnh tnn tno tnr tns tnt to- toa tob toc toe toh ton too tor tos tot toy tra trb trc tre trh trn tro trr trs trt try tsa tsb tsc tse tsh tsn tso tsr tss tst tsy tta ttb ttc tte tth ttn tto ttr tts ttt tty tya tyc tye tyn tyo tyr tys tyt yaa yab yac yae yah yan yao yar yas yat yay ybc ybe ybr ybs yby yca ycc yce ych yco ycs ycy yea yeb yec yee yeh yen yeo yer yes yet yey yha yhc yhe yhs yht yna yne ynn yns yny yob yoc yoe yon yoo yor yos yot yoy yra yrc yre yrn yro yrs yrt ysa ysb ysc yse yso ysr yss yst ysy yta ytc yte yth ytn yto ytr yts ytt yyb yyc yye yys yyt yyy