-th c-- ccc ccd cce cch cco ccp cct cdc cdd cde cdh cdo cdp cdt ce- cec ced cee ceh ceo cep cet ch- chc chd che chh cho chp cht co- coc cod coe coh coo cop cot cpc cpd cpe cph cpo cpp cpt ctc ctd cte cth cto ctp ctt dcc dcd dce dco dcp dct ddc ddd dde ddh ddo ddp ddt de- dec ded dee deh deo dep det dh- dhc dhd dhe dhh dho dhp dht doc dod doe doh doo dop dot dpc dpd dpe dph dpo dpp dpt dtc dtd dte dth dto dtp dtt ec- ecc ecd ece ech eco ect ed- edc edd ede edh edo edp edt eec eed eee eeo eep eet ehc ehd ehe ehh eho ehp eht eo- eoc eod eoe eoh eoo eop eot ep- epc epd epe eph epo epp ept etc etd ete eth eto etp ett hcc hcd hce hch hco hcp hct hdc hdd hde hdh hdo hdp hdt he- hec hed hee heh heo hep het hhc hhd hhe hhh hho hhp hht hoc hod hoe hoh hoo hop hot hpc hpd hpe hph hpo hpp hpt htc htd hte hth hto htp htt oc- occ ocd och oco ocp oct odc odd ode odh odo odp odt oec oed oee oeh oeo oep oet ohc ohd ohe ohh oho ohp oht oo- ooc ood ooh ooo oop oot op- opc opd ope oph opo opp opt ot- otc otd ote oth oto otp ott p-p pcc pcd pce pch pco pcp pct pdc pdd pde pdh pdo pdp pdt pec ped pee peh peo pep pet phc phd phe pho php pht poc pod poe poh poo pop pot ppc ppd ppe pph ppo ppp ppt pt- ptc ptd pte pth pto ptp ptt tcc tcd tce tch tco tcp tct tdc tdd tde tdh tdo tdp tdt te- tec ted tee teh teo tep tet th- thc thd the thh tho thp tht to- toc tod toe toh too top tot tpc tpd tpe tph tpo tpp tpt ttc ttd tte tth tto ttp ttt