-th c-- ccc cce cch cck cco ccp ccs cct ce- cec cee ceh cek ceo cep ces cet ch- chc che chh chk cho chp chs cht ckc ckh cko cks ckt co- coc coe coh cok coo cop cos cot cpc cpe cph cpk cpo cpp cps cpt csc cse csh csk cso csp css cst ctc cte cth ctk cto ctp cts ctt ec- ecc ece ech eck eco ecs ect eec eee eek eeo eep ees eet ehc ehe ehh eho ehp ehs eht ekc eke ekh eko ekp eks ekt eo- eoc eoe eoh eok eoo eop eos eot ep- epc epe eph epo epp eps ept es- esc ese esh esk eso esp ess est etc ete eth etk eto etp ets ett hcc hce hch hck hco hcp hcs hct he- hec hee heh hek heo hep hes het hhc hhe hhh hhk hho hhp hhs hht hkh hkk hko hkp hks hkt hoc hoe hoh hok hoo hop hos hot hpc hpe hph hpk hpo hpp hps hpt hsc hse hsh hsk hsp hss hst htc hte hth htk hto htp hts htt k-t kcc kce kch kck kcp kcs kct ke- kec kee keh kek keo kep kes ket khe khh khk kho khs kkc kke kkh kkk kkp kks kkt koc koe koh kok koo kop kos kot kpc kpe kph kpk kpo kpp kps kpt ksc kse ksh ksk kso ksp kss kst ktc kte kth ktk kto ktp kts ktt oc- occ och ock oco ocp ocs oct oec oee oeh oeo oep oes oet ohc ohe ohh oho ohp ohs oht okc oke okk oko okp oks oo- ooc ooh ook ooo oop oos oot op- opc ope oph opk opo opp ops opt os- osc ose osh osk oso osp oss ost ot- otc ote oth otk oto otp ots ott p-p pcc pce pch pck pco pcp pcs pct pec pee peh pek peo pep pes pet phc phe phk pho php phs pht pkc pke pko pkp pks pkt poc poe poh pok poo pop pos pot ppc ppe pph ppk ppo ppp pps ppt ps- psc pse psh psk pso psp pss pst pt- ptc pte pth ptk pto ptp pts ptt scc sce sch sck sco scp scs sct se- sec see seh sek seo sep ses set sh- shc she shh shk sho shp shs sht sk- skc ske skh skk sko skp sks skt soc soe soh sok soo sop sos sot spc spe sph spk spo spp sps spt ss- ssc sse ssh ssk sso ssp sss sst stc ste sth stk sto stp sts stt tcc tce tch tck tco tcp tcs tct te- tec tee teh tek teo tep tes tet th- thc the thh thk tho thp ths tht tkc tke tkk tko tkp tks tkt to- toc toe toh tok too top tos tot tpc tpe tph tpk tpo tpp tps tpt tsc tse tsh tsk tso tsp tss tst ttc tte tth ttk tto ttp tts ttt