a-a a-c a-q a-t aaa aac aan aao aaq aat ac- aca acc acn aco acq act an- ana anc ann ano anq ant aoa aoc aon aoo aot aqa aqc aqn aqo aqt at- ata atc atn ato att c-- caa cac can cao caq cat cca ccc ccn cco cct cn- cna cnc cnn cno cnt co- coa coc con coo coq cot cqa cqc cqo cqt cta ctc ctn cto ctq ctt naa nac nan nao nat nca ncc ncn nco nct nna nnc nnn nno nnt no- noa noc non noo not nqc nqt nta ntc ntn nto ntq ntt oaa oac oan oao oaq oat oc- oca occ ocn oco oct on- ona onc onn ono ont oo- ooa ooc oon ooo oot oqo ot- ota otc otn oto ott qaa qac qan qat qca qcc qco qct qoo qqq qta qtc qto qtq taa tac tan tao taq tat tca tcc tcn tco tct tna tnc tnn tno tnq tnt to- toa toc ton too toq tot tqo tta ttc ttn tto ttt