-th c-- ccc cce cch cck cco ccp cct ce- cec cee ceh cek ceo cep cet ch- chc che chh chk cho chp cht ckc ckh cko ckt co- coc coe coh cok coo cop cot cpc cpe cph cpk cpo cpp cpt ctc cte cth ctk cto ctp ctt ec- ecc ece ech eck eco ect eec eee eek eeo eep eet ehc ehe ehh eho ehp eht ekc eke ekh eko ekp ekt eo- eoc eoe eoh eok eoo eop eot ep- epc epe eph epo epp ept etc ete eth etk eto etp ett hcc hce hch hck hco hcp hct he- hec hee heh hek heo hep het hhc hhe hhh hhk hho hhp hht hkh hkk hko hkp hkt hoc hoe hoh hok hoo hop hot hpc hpe hph hpk hpo hpp hpt htc hte hth htk hto htp htt k-t kcc kce kch kck kcp kct ke- kec kee keh kek keo kep ket khe khh khk kho kkc kke kkh kkk kkp kkt koc koe koh kok koo kop kot kpc kpe kph kpk kpo kpp kpt ktc kte kth ktk kto ktp ktt oc- occ och ock oco ocp oct oec oee oeh oeo oep oet ohc ohe ohh oho ohp oht okc oke okk oko okp oo- ooc ooh ook ooo oop oot op- opc ope oph opk opo opp opt ot- otc ote oth otk oto otp ott p-p pcc pce pch pck pco pcp pct pec pee peh pek peo pep pet phc phe phk pho php pht pkc pke pko pkp pkt poc poe poh pok poo pop pot ppc ppe pph ppk ppo ppp ppt pt- ptc pte pth ptk pto ptp ptt tcc tce tch tck tco tcp tct te- tec tee teh tek teo tep tet th- thc the thh thk tho thp tht tkc tke tkk tko tkp tkt to- toc toe toh tok too top tot tpc tpe tph tpk tpo tpp tpt ttc tte tth ttk tto ttp ttt