-th c-- ccc cce cch cco ccp cct ce- cec cee ceh ceo cep cet ch- chc che chh cho chp cht co- coc coe coh coo cop cot cpc cpe cph cpo cpp cpt ctc cte cth cto ctp ctt ec- ecc ece ech eco ect eec eee eeo eep eet ehc ehe ehh eho ehp eht eo- eoc eoe eoh eoo eop eot ep- epc epe eph epo epp ept etc ete eth eto etp ett hcc hce hch hco hcp hct he- hec hee heh heo hep het hhc hhe hhh hho hhp hht hoc hoe hoh hoo hop hot hpc hpe hph hpo hpp hpt htc hte hth hto htp htt oc- occ och oco ocp oct oec oee oeh oeo oep oet ohc ohe ohh oho ohp oht oo- ooc ooh ooo oop oot op- opc ope oph opo opp opt ot- otc ote oth oto otp ott p-p pcc pce pch pco pcp pct pec pee peh peo pep pet phc phe pho php pht poc poe poh poo pop pot ppc ppe pph ppo ppp ppt pt- ptc pte pth pto ptp ptt tcc tce tch tco tcp tct te- tec tee teh teo tep tet th- thc the thh tho thp tht to- toc toe toh too top tot tpc tpe tph tpo tpp tpt ttc tte tth tto ttp ttt