a-a a-c a-t aaa aac aan aas aat aay ac- aca acc acn acs act acy an- ana anc ann ans ant any as- asa asc asn ass ast asy at- ata atc atn ats att ay- aya ayc ayn ays ayt c-- caa cac can cas cat cay cca ccc ccn ccs cct cn- cna cnc cnn cns cnt cny csa csc csn css cst csy cta ctc ctn cts ctt cty cya cyc cyn cys cyt naa nac nan nas nat nay nca ncc ncn ncs nct nna nnc nnn nns nnt nsa nsc nsn nss nst nsy nta ntc ntn nts ntt nya nyc nyn nys nyt nyy saa sac san sas sat say sca scc scn scs sct sna snc snn sns snt sny ss- ssa ssc ssn sss sst sta stc stn sts stt sty sy- sya syc syn sys syt taa tac tan tas tat tay tca tcc tcn tcs tct tna tnc tnn tns tnt tsa tsc tsn tss tst tsy tta ttc ttn tts ttt tty tya tyc tyn tys tyt yaa yac yan yas yat yay yca ycc ycs ycy yna ynn yns yny ysa ysc yss yst ysy yta ytc ytn yts ytt yyc yys yyt yyy