-th c-- ccc cce cch cco ccp ccs cct ce- cec cee ceh ceo cep ces cet ch- chc che chh cho chp chs cht co- coc coe coh coo cop cos cot cpc cpe cph cpo cpp cps cpt csc cse csh cso csp css cst ctc cte cth cto ctp cts ctt ec- ecc ece ech eco ecs ect eec eee eeo eep ees eet ehc ehe ehh eho ehp ehs eht eo- eoc eoe eoh eoo eop eos eot ep- epc epe eph epo epp eps ept es- esc ese esh eso esp ess est etc ete eth eto etp ets ett hcc hce hch hco hcp hcs hct he- hec hee heh heo hep hes het hhc hhe hhh hho hhp hhs hht hoc hoe hoh hoo hop hos hot hpc hpe hph hpo hpp hps hpt hsc hse hsh hsp hss hst htc hte hth hto htp hts htt oc- occ och oco ocp ocs oct oec oee oeh oeo oep oes oet ohc ohe ohh oho ohp ohs oht oo- ooc ooh ooo oop oos oot op- opc ope oph opo opp ops opt os- osc ose osh oso osp oss ost ot- otc ote oth oto otp ots ott p-p pcc pce pch pco pcp pcs pct pec pee peh peo pep pes pet phc phe pho php phs pht poc poe poh poo pop pos pot ppc ppe pph ppo ppp pps ppt ps- psc pse psh pso psp pss pst pt- ptc pte pth pto ptp pts ptt scc sce sch sco scp scs sct se- sec see seh seo sep ses set sh- shc she shh sho shp shs sht soc soe soh soo sop sos sot spc spe sph spo spp sps spt ss- ssc sse ssh sso ssp sss sst stc ste sth sto stp sts stt tcc tce tch tco tcp tcs tct te- tec tee teh teo tep tes tet th- thc the thh tho thp ths tht to- toc toe toh too top tos tot tpc tpe tph tpo tpp tps tpt tsc tse tsh tso tsp tss tst ttc tte tth tto ttp tts ttt