a-a a-c a-q a-t aaa aac aan aao aap aaq aat ac- aca acc acn aco acp acq act an- ana anc ann ano anp anq ant aoa aoc aon aoo aop aot ap- apa apc apn apo app apq apt aqa aqc aqn aqo aqp aqt at- ata atc atn ato atp att c-- caa cac can cao cap caq cat cca ccc ccn cco ccp cct cn- cna cnc cnn cno cnp cnt co- coa coc con coo cop coq cot cpa cpc cpn cpo cpp cpq cpt cqa cqc cqo cqt cta ctc ctn cto ctp ctq ctt naa nac nan nao nap nat nca ncc ncn nco ncp nct nna nnc nnn nno nnp nnt no- noa noc non noo nop not npa npc npn npo npp npt nqc nqt nta ntc ntn nto ntp ntq ntt oaa oac oan oao oap oaq oat oc- oca occ ocn oco ocp oct on- ona onc onn ono onp ont oo- ooa ooc oon ooo oop oot op- opa opc opn opo opp opq opt oqo ot- ota otc otn oto otp ott p-p paa pac pan pao pap paq pat pca pcc pcn pco pcp pcq pct pn- pna pnc pnn pno pnp pnt poa poc pon poo pop pot ppa ppc ppn ppo ppp ppq ppt pqq pt- pta ptc ptn pto ptp ptq ptt qaa qac qan qap qat qca qcc qco qcp qct qoo qop qpc qpp qqq qta qtc qto qtq taa tac tan tao tap taq tat tca tcc tcn tco tcp tct tna tnc tnn tno tnp tnq tnt to- toa toc ton too top toq tot tpa tpc tpn tpo tpp tpq tpt tqo tta ttc ttn tto ttp ttt