a-a a-c a-t aaa aac aan aao aas aat aay ac- aca acc acn aco acs act acy an- ana anc ann ano ans ant any aoa aoc aon aoo aos aot as- asa asc asn aso ass ast asy at- ata atc atn ato ats att ay- aya ayc ayn ayo ays ayt c-- caa cac can cao cas cat cay cca ccc ccn cco ccs cct cn- cna cnc cnn cno cns cnt cny co- coa coc con coo cos cot coy csa csc csn cso css cst csy cta ctc ctn cto cts ctt cty cya cyc cyn cyo cys cyt naa nac nan nao nas nat nay nca ncc ncn nco ncs nct nna nnc nnn nno nns nnt no- noa noc non noo nos not noy nsa nsc nsn nso nss nst nsy nta ntc ntn nto nts ntt nya nyc nyn nyo nys nyt nyy oaa oac oan oao oas oat oc- oca occ ocn oco ocs oct on- ona onc onn ono ons ont ony oo- ooa ooc oon ooo oos oot os- osa osc osn oso oss ost ot- ota otc otn oto ots ott oya oyo oys saa sac san sao sas sat say sca scc scn sco scs sct sna snc snn sno sns snt sny soa soc son soo sos sot soy ss- ssa ssc ssn sso sss sst sta stc stn sto sts stt sty sy- sya syc syn sys syt taa tac tan tao tas tat tay tca tcc tcn tco tcs tct tna tnc tnn tno tns tnt to- toa toc ton too tos tot toy tsa tsc tsn tso tss tst tsy tta ttc ttn tto tts ttt tty tya tyc tyn tyo tys tyt yaa yac yan yao yas yat yay yca ycc yco ycs ycy yna ynn yns yny yoc yon yoo yos yot yoy ysa ysc yso yss yst ysy yta ytc ytn yto yts ytt yyc yys yyt yyy