-th a-a a-c a-t aaa aac aae aah aao aap aat ac- aca acc ace ach aco acp act aea aec aee aeh aeo aep aet aha ahc ahe ahh aho ahp aht aoa aoc aoe aoh aoo aop aot ap- apa apc ape aph apo app apt at- ata atc ate ath ato atp att c-- caa cac cae cah cao cap cat cca ccc cce cch cco ccp cct ce- cea cec cee ceh ceo cep cet ch- cha chc che chh cho chp cht co- coa coc coe coh coo cop cot cpa cpc cpe cph cpo cpp cpt cta ctc cte cth cto ctp ctt eaa eac eae eah eao eap eat ec- eca ecc ece ech eco ect eea eec eee eeo eep eet eha ehc ehe ehh eho ehp eht eo- eoa eoc eoe eoh eoo eop eot ep- epa epc epe eph epo epp ept eta etc ete eth eto etp ett haa hac hae hah hao hap hat hca hcc hce hch hco hcp hct he- hea hec hee heh heo hep het hha hhc hhe hhh hho hhp hht hoa hoc hoe hoh hoo hop hot hpa hpc hpe hph hpo hpp hpt hta htc hte hth hto htp htt oaa oac oae oah oao oap oat oc- oca occ och oco ocp oct oea oec oee oeh oeo oep oet oha ohc ohe ohh oho ohp oht oo- ooa ooc ooh ooo oop oot op- opa opc ope oph opo opp opt ot- ota otc ote oth oto otp ott p-p paa pac pae pah pao pap pat pca pcc pce pch pco pcp pct pea pec pee peh peo pep pet pha phc phe pho php pht poa poc poe poh poo pop pot ppa ppc ppe pph ppo ppp ppt pt- pta ptc pte pth pto ptp ptt taa tac tae tah tao tap tat tca tcc tce tch tco tcp tct te- tea tec tee teh teo tep tet th- tha thc the thh tho thp tht to- toa toc toe toh too top tot tpa tpc tpe tph tpo tpp tpt tta ttc tte tth tto ttp ttt