a-a a-c a-t aaa aac aad aan aas aat aay ac- aca acc acd acn acs act acy ad- ada adc add adn ads adt ady an- ana anc and ann ans ant any as- asa asc asd asn ass ast asy at- ata atc atd atn ats att ay- aya ayc ayd ayn ays ayt c-- caa cac cad can cas cat cay cca ccc ccd ccn ccs cct cda cdc cdd cdn cds cdt cdy cn- cna cnc cnd cnn cns cnt cny csa csc csd csn css cst csy cta ctc ctd ctn cts ctt cty cya cyc cyd cyn cys cyt daa dac dad dan das dat day dca dcc dcd dcn dcs dct dda ddc ddd ddn dds ddt ddy dna dnc dnd dnn dns dnt dny dsa dsc dsd dsn dss dst dsy dta dtc dtd dtn dts dtt dty dy- dya dyc dyd dyn dys dyy naa nac nad nan nas nat nay nca ncc ncd ncn ncs nct nda ndc ndd ndn nds ndt ndy nna nnc nnn nns nnt nsa nsc nsd nsn nss nst nsy nta ntc ntd ntn nts ntt nya nyc nyd nyn nys nyt nyy saa sac sad san sas sat say sca scc scd scn scs sct sda sdc sdd sdn sds sdt sdy sna snc snd snn sns snt sny ss- ssa ssc ssd ssn sss sst sta stc std stn sts stt sty sy- sya syc syd syn sys syt taa tac tad tan tas tat tay tca tcc tcd tcn tcs tct tda tdc tdd tdn tds tdt tdy tna tnc tnd tnn tns tnt tsa tsc tsd tsn tss tst tsy tta ttc ttd ttn tts ttt tty tya tyc tyd tyn tys tyt yaa yac yad yan yas yat yay yca ycc ycd ycs ycy yda ydn yds ydt ydy yna ynd ynn yns yny ysa ysc yss yst ysy yta ytc ytd ytn yts ytt yyc yys yyt yyy