-th a-a a-c a-t aaa aac aah aan aao aap aat ac- aca acc ach acn aco acp act aha ahc ahh ahn aho ahp aht an- ana anc anh ann ano anp ant aoa aoc aoh aon aoo aop aot ap- apa apc aph apn apo app apt at- ata atc ath atn ato atp att c-- caa cac cah can cao cap cat cca ccc cch ccn cco ccp cct ch- cha chc chh chn cho chp cht cn- cna cnc cnh cnn cno cnp cnt co- coa coc coh con coo cop cot cpa cpc cph cpn cpo cpp cpt cta ctc cth ctn cto ctp ctt haa hac hah han hao hap hat hca hcc hch hcn hco hcp hct hha hhc hhh hhn hho hhp hht hna hnc hnh hnn hno hnt hoa hoc hoh hon hoo hop hot hpa hpc hph hpn hpo hpp hpt hta htc hth htn hto htp htt naa nac nah nan nao nap nat nca ncc nch ncn nco ncp nct nha nhc nhh nhn nhp nht nna nnc nnh nnn nno nnp nnt no- noa noc noh non noo nop not npa npc nph npn npo npp npt nta ntc nth ntn nto ntp ntt oaa oac oah oan oao oap oat oc- oca occ och ocn oco ocp oct oha ohc ohh ohn oho ohp oht on- ona onc onh onn ono onp ont oo- ooa ooc ooh oon ooo oop oot op- opa opc oph opn opo opp opt ot- ota otc oth otn oto otp ott p-p paa pac pah pan pao pap pat pca pcc pch pcn pco pcp pct pha phc phn pho php pht pn- pna pnc pnh pnn pno pnp pnt poa poc poh pon poo pop pot ppa ppc pph ppn ppo ppp ppt pt- pta ptc pth ptn pto ptp ptt taa tac tah tan tao tap tat tca tcc tch tcn tco tcp tct th- tha thc thh thn tho thp tht tna tnc tnh tnn tno tnp tnt to- toa toc toh ton too top tot tpa tpc tph tpn tpo tpp tpt tta ttc tth ttn tto ttp ttt