-er -ol c-- ccc cce cch ccl cco ccp ccr ce- cec cee ceh cel ceo cep cer ch- chc che chh chl cho chp chr cl- clc cle clh cll clo clp clr co- coc coe coh col coo cop cor cpc cpe cph cpl cpo cpp cpr crc cre crh crl cro crp crr ec- ecc ece ech ecl eco ecr eec eee eel eeo eep eer ehc ehe ehh ehl eho ehp ehr elc ele elh ell elo elp elr eo- eoc eoe eoh eol eoo eop eor ep- epc epe eph epl epo epp epr erc ere erh erl ero erp err hcc hce hch hcl hco hcp hcr he- hec hee heh hel heo hep her hhc hhe hhh hhl hho hhp hhr hlc hle hlh hll hlo hlp hlr hoc hoe hoh hol hoo hop hor hpc hpe hph hpl hpo hpp hpr hr- hrc hre hrh hrl hro hrp hrr l-p lcc lce lch lcl lco lcp lcr lec lee leh lel leo lep ler lhc lhh lho lhp lhr llc lle lll llo llp llr loc loe loh lol loo lop lor lpc lpe lph lpl lpo lpp lpr lrc lrh lro lrp lrr oc- occ och ocl oco ocp ocr oec oee oeh oel oeo oep oer ohc ohe ohh ohl oho ohp ohr olc ole oll olo olp oo- ooc ooh ool ooo oop oor op- opc ope oph opl opo opp opr or- orc ore orh orl oro orp orr p-p pcc pce pch pcl pco pcp pcr pec pee peh pel peo pep per phc phe phl pho php phr plc ple plh pll plo plp plr poc poe poh pol poo pop por ppc ppe pph ppl ppo ppp ppr prc pre prh prl pro prp prr rcc rce rch rcl rco rcp rcr re- rec ree reh rel reo rep rer rh- rhc rhe rhh rhl rho rhp rhr rlc rle rlh rll rlo rlp rlr roc roe roh rol roo rop ror rpc rpe rph rpl rpo rpp rpr rrc rrh rrl rrp rrr