-th a-a a-c a-t aaa aac aae aah aap aat ac- aca acc ace ach acp act aea aec aee aeh aep aet aha ahc ahe ahh ahp aht ap- apa apc ape aph app apt at- ata atc ate ath atp att c-- caa cac cae cah cap cat cca ccc cce cch ccp cct ce- cea cec cee ceh cep cet ch- cha chc che chh chp cht cpa cpc cpe cph cpp cpt cta ctc cte cth ctp ctt eaa eac eae eah eap eat ec- eca ecc ece ech ect eea eec eee eep eet eha ehc ehe ehh ehp eht ep- epa epc epe eph epp ept eta etc ete eth etp ett haa hac hae hah hap hat hca hcc hce hch hcp hct he- hea hec hee heh hep het hha hhc hhe hhh hhp hht hpa hpc hpe hph hpp hpt hta htc hte hth htp htt p-p paa pac pae pah pap pat pca pcc pce pch pcp pct pea pec pee peh pep pet pha phc phe php pht ppa ppc ppe pph ppp ppt pt- pta ptc pte pth ptp ptt taa tac tae tah tap tat tca tcc tce tch tcp tct te- tea tec tee teh tep tet th- tha thc the thh thp tht tpa tpc tpe tph tpp tpt tta ttc tte tth ttp ttt