-th c-- ccc cch cco ccp ccr ccs cct ch- chc chh cho chp chr chs cht co- coc coh coo cop cor cos cot cpc cph cpo cpp cpr cps cpt crc crh cro crp crr crs crt csc csh cso csp csr css cst ctc cth cto ctp ctr cts ctt hcc hch hco hcp hcr hcs hct hhc hhh hho hhp hhr hhs hht hoc hoh hoo hop hor hos hot hpc hph hpo hpp hpr hps hpt hr- hrc hrh hro hrp hrr hrs hrt hsc hsh hsp hsr hss hst htc hth hto htp htr hts htt oc- occ och oco ocp ocr ocs oct ohc ohh oho ohp ohr ohs oht oo- ooc ooh ooo oop oor oos oot op- opc oph opo opp opr ops opt or- orc orh oro orp orr ors ort os- osc osh oso osp osr oss ost ot- otc oth oto otp otr ots ott p-p pcc pch pco pcp pcr pcs pct phc pho php phr phs pht poc poh poo pop por pos pot ppc pph ppo ppp ppr pps ppt prc prh pro prp prr prs prt ps- psc psh pso psp psr pss pst pt- ptc pth pto ptp ptr pts ptt rcc rch rco rcp rcr rcs rct rh- rhc rhh rho rhp rhr rhs rht roc roh roo rop ror ros rot rpc rph rpo rpp rpr rps rpt rrc rrh rrp rrr rrs rrt rsc rsh rso rsp rsr rss rst rtc rto rtp rtr rts rtt scc sch sco scp scr scs sct sh- shc shh sho shp shr shs sht soc soh soo sop sor sos sot spc sph spo spp spr sps spt sr- src srh sro srp srr srs srt ss- ssc ssh sso ssp ssr sss sst stc sth sto stp str sts stt tcc tch tco tcp tcr tcs tct th- thc thh tho thp thr ths tht to- toc toh too top tor tos tot tpc tph tpo tpp tpr tps tpt trc trh tro trp trr trs trt tsc tsh tso tsp tsr tss tst ttc tth tto ttp ttr tts ttt