-er c-- ccc cce cch cck cco ccp ccr ce- cec cee ceh cek ceo cep cer ch- chc che chh chk cho chp chr ckc ckh cko co- coc coe coh cok coo cop cor cpc cpe cph cpk cpo cpp cpr crc cre crh crk cro crp crr ec- ecc ece ech eck eco ecr eec eee eek eeo eep eer ehc ehe ehh eho ehp ehr 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 hck hco hcp hcr he- hec hee heh hek heo hep her hhc hhe hhh hhk hho hhp hhr hkh hkk hko hkp hkr hoc hoe hoh hok hoo hop hor hpc hpe hph hpk hpo hpp hpr hr- hrc hre hrh hrk hro hrp hrr kcc kce kch kck kcp kcr ke- kec kee keh kek keo kep ker khe khh khk kho khr 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 ock oco ocp ocr oec oee oeh oeo oep oer ohc ohe ohh oho ohp ohr okc oke okk oko okp okr oo- ooc ooh ook ooo oop oor op- opc ope oph opk opo opp opr or- orc ore orh ork oro orp orr p-p pcc pce pch pck pco pcp pcr pec pee peh pek peo pep per phc phe phk pho php phr pkc pke pko pkp pkr poc poe poh pok poo pop por ppc ppe pph ppk ppo ppp ppr prc pre prh prk pro prp prr rcc rce rch rco rcp rcr re- rec ree reh rek reo rep rer rh- rhc rhe rhh rho rhp rhr rkc rke rkk rko rkp roc roe roh rok roo rop ror rpc rpe rph rpk rpo rpp rpr rrc rrh rrk rrp rrr

cccc cccp ccee cche cchp cchr ccoc ccpe ccpp ccpr ccrc ccre ccrp cec- cece ceco cecp ceec ceke ceop ceor cepc cepe ceph cepo cepp cepr cer- cerc cere cero cerp chce chch chcp chec chee cheh chek chep cher choc choh chok choo chop chor chpp chpr chrc chro chrp chrr ckch ckck ckco cker ckoc ckoo ckor ckpc ckpr ckrc coce coch cock coco cocp coep coho cok- coke coko cooh cook coop cope coph copo copp copr cor- corc core cork coro corp corr cpce cpep cper cpre crcc crce crcr cre- crec cree creh creo crep crkc crkp croc croe croh crok croo crop cror crpc eccc ecce ecco eche echo ecko eco- ecop ecpp ecrc ecrr eeee eeke eeoc eerc eero ehcc eheh eher ehre ekch ekco ekek eker ekho ekpe ekpo eore epcc epch epec epee eper eph- epoc epor eppc eppo eppp epro eprp ercc erce erch ercp erec erer erhc erke eroc eroe eroo erpe errc erre erro hccc hcch hcpc hcrp hech heck heek heep heer hehe heho heke heor hepc hepe hepp herc here herk hero herp herr hhhh hhpc hkcc hkpo hoce hoch hock hocr hoek hoer hohe hoho hoke hoko hooe hook hoop hoor hope hopo hopp horc hore hork horo horr hpcc hppe hree hrpc hrpp hrrc kccc kcck kccr kcec kcee kceo kcep kche kchh kchk kcho kchr kckc kckk kcko kckr kcoe kcoh kcor kcpc kcpo kcpr kcrc kcrh kcro kcrp kcrr kech keck keco kecr keeh keek keep keer kehk kehr kekc keke keko keok kep- kepc kepe keph ker- kerc kere kerk kero kerp kerr khcc khch khck khec khep kher khhk khho khke khkk khkr khoc khoe khok khop khor khpe khpr khrk khro khrr kkch kkck kkco kkcr kkhh kkhk kkhr kkkk kkoh kkoo kkor kkpc kkpk kkrc kkre kkrh kkrk kkro kkrr koch kock kocp kohh koho kohr kokc koke kokh kokk koko kokp kokr kooc kook kooo koop koor kope koph kopp kopr korc kore kork koro korr kpcc kpch kpcr kpek kper kphp kphr kpke kpkk kpkr kpoc kpoe kpok kpoo kpop kppc kppk kppo kppp kppr kprc kpre kprh kprk kpro kprp kprr krcc krce krch krco krec kree kreh krek kreo krhc krhp krkc krke krkh krkk krko krkr kroc kroe kroh krok kroo krop kror krph krpr krrc krre krrk krro krrr o-eo occc oce ocee oche ocke ocpp ocre ocro ocrr oec- oecc oeec oere ohcc ohee oher ohho ohoh ohok ohre okeh oker okko okok okor okpe okpo okre okro oocr ooer ooho oooh oooo oore opec opep oper opo- opor oppo orce orch orco ore- orec oreh orek oreo orer orhe orke orko oro- oroe orok oror orpc orpe orph orro pccc pcce pcep pcer pchp pcoe pcpp pcrc pcre pece pech peck peco pecr peec peek peep peer pehe peho pehr peke pekk peko peor pepe pepo per- perc pere perh perk pero perp perr phcc phe- phek phoh phoo phrr poce poch pock poco poer poke poko pooh pook poop poor pop- popc pope popo popp porc pore pork poro porr ppcc pper pppo pppp pprc prcc prcp pre- prec pree prek prep pro- proc proe proo prop rccc rcep rcpo recc rece rech reck recp recr reek reep rehe reke reko reop repe repo repp repr rere rero rhce rhcp rhee rheo rhoc rhoh rocc roce roch rock roco roer rohe rohr roke rokh rokk roko rokr rook roop roor rope ropo rorc rore rork roro rpho rpoe rrrr

c-cor c-p-c c-pop ccccc cech ceche ceco- ceere ceoce ceoor ceppo cerc- cerce cerco cerec cerer cerke cero- ceroc cerre cerro chech check cheek cheep cheer cheho chehr chekc cheke cheo cheok chepe chepo chere chero cherp chher chock choco choke chokh choko chook choop choor chope chor- chore chork choro co-co co-op cocc- cocce cocco coceo coche cocke coepe cohee cohoe cohoo coker cokk- cooch cooee cooer cooke coope coore copce copec coper coppe coppo copr- copre copro