-th c-- ccc cce cch ccp ccs cct ce- cec cee ceh cep ces cet ch- chc che chh chp chs cht cpc cpe cph cpp cps cpt csc cse csh csp css cst ctc cte cth ctp cts ctt ec- ecc ece ech ecs ect eec eee eep ees eet ehc ehe ehh ehp ehs eht ep- epc epe eph epp eps ept es- esc ese esh esp ess est etc ete eth etp ets ett hcc hce hch hcp hcs hct he- hec hee heh hep hes het hhc hhe hhh hhp hhs hht hpc hpe hph hpp hps hpt hsc hse hsh hsp hss hst htc hte hth htp hts htt p-p pcc pce pch pcp pcs pct pec pee peh pep pes pet phc phe php phs pht ppc ppe pph ppp pps ppt ps- psc pse psh psp pss pst pt- ptc pte pth ptp pts ptt scc sce sch scp scs sct se- sec see seh sep ses set sh- shc she shh shp shs sht spc spe sph spp sps spt ss- ssc sse ssh ssp sss sst stc ste sth stp sts stt tcc tce tch tcp tcs tct te- tec tee teh tep tes tet th- thc the thh thp ths tht tpc tpe tph tpp tps tpt tsc tse tsh tsp tss tst ttc tte tth ttp tts ttt