-er c-- c-j ccc cce cch ccj cck cco ccp ccr ce- cec cee ceh cej cek ceo cep cer ch- chc che chh chk cho chp chr cjc cjk cjp cjr ckc ckh cko co- coc coe coh coj cok coo cop cor cpc cpe cph cpj cpk cpo cpp cpr crc cre crh crj crk cro crp crr ec- ecc ece ech ecj eck eco ecr eec eee eek eeo eep eer ehc ehe ehh eho ehp ehr ejc ejo ejp ekc eke ekh eko ekp ekr eo- eoc eoe eoh eok eoo eop eor ep- epc epe eph epo epp epr erc ere erh erk ero erp err hcc hce hch hcj hck hco hcp hcr he- hec hee heh hej hek heo hep her hhc hhe hhh hhj hhk hho hhp hhr hjk hjo hjp hjr hkh hkk hko hkp hkr hoc hoe hoh hok hoo hop hor hpc hpe hph hpj hpk hpo hpp hpr hr- hrc hre hrh hrj hrk hro hrp hrr jcc jce jch jck jco jcp jcr jec jee jeh jej jek jeo jep jer jhc jhe jhj jho jhp jhr jjc jjj jjk jjp jjr jkh jkk jko jkp jkr joc joe joh joj jok joo jop jor jpc jpe jpj jpo jpp jpr jrc jrk jro jrp jrr kcc kce kch kck kcp kcr ke- kec kee keh kek keo kep ker khe khh khj khk kho khr kjc kje kjr kkc kke kkh kkk kkp kkr koc koe koh kok koo kop kor kpc kpe kph kpk kpo kpp kpr krc krk kro krp krr oc- occ och ocj ock oco ocp ocr oec oee oeh oeo oep oer ohc ohe ohh oho ohp ohr ojc oje ojo okc oke okj okk oko okp okr oo- ooc ooh ook ooo oop oor op- opc ope oph opj opk opo opp opr or- orc ore orh ork oro orp orr p-p pcc pce pch pcj pck pco pcp pcr pec pee peh pek peo pep per phc phe phk pho php phr pjc pjo pjp pkc pke pko pkp pkr poc poe poh pok poo pop por ppc ppe pph ppj ppk ppo ppp ppr prc pre prh prk pro prp prr rcc rce rch rcj rco rcp rcr re- rec ree reh rek reo rep rer rh- rhc rhe rhh rho rhp rhr rjc rjk rjp rjr rkc rke rkk rko rkp roc roe roh roj rok roo rop ror rpc rpe rph rpk rpo rpp rpr rrc rrh rrk rrp rrr