-th c-- ccc cch ccp ccs cct ch- chc chh chp chs cht cpc cph cpp cps cpt csc csh csp css cst ctc cth ctp cts ctt hcc hch hcp hcs hct hhc hhh hhp hhs hht hpc hph hpp hps hpt hsc hsh hsp hss hst htc hth htp hts htt p-p pcc pch pcp pcs pct phc php phs pht ppc pph ppp pps ppt ps- psc psh psp pss pst pt- ptc pth ptp pts ptt scc sch scp scs sct sh- shc shh shp shs sht spc sph spp sps spt ss- ssc ssh ssp sss sst stc sth stp sts stt tcc tch tcp tcs tct th- thc thh thp ths tht tpc tph tpp tps tpt tsc tsh tsp tss tst ttc tth ttp tts ttt