-er -ey c-- ccc cce cch cck ccn cco ccp ccr ce- cec cee ceh cek cen ceo cep cer cey ch- chc che chh chk chn cho chp chr chy ckc ckh cko cky cn- cnc cne cnh cnn cno cnp cnr cny co- coc coe coh cok con coo cop cor coy cpc cpe cph cpk cpn cpo cpp cpr crc cre crh crk crn cro crp crr cry cyc cye cyk cyn cyo cyp cyr ec- ecc ece ech eck ecn eco ecr eec eee eek een eeo eep eer eey ehc ehe ehh ehn eho ehp ehr ekc eke ekh eko ekp ekr eky en- enc ene enh enk enn eno enp enr eny eo- eoc eoe eoh eok eon eoo eop eor ep- epc epe eph epn epo epp epr erc ere erh erk ern ero erp err ery eyc eye eyn eyo eyp eyr hcc hce hch hck hcn hco hcp hcr hcy he- hec hee heh hek hen heo hep her hey hhc hhe hhh hhk hhn hho hhp hhr hhy hkh hkk hkn hko hkp hkr hnc hne hnh hnk hnn hno hny hoc hoe hoh hok hon hoo hop hor hoy hpc hpe hph hpk hpn hpo hpp hpr hpy hr- hrc hre hrh hrk hrn hro hrp hrr hy- hyc hye hyh hyn hyo hyp hyr hyy kcc kce kch kck kcn kcp kcr ke- kec kee keh kek ken keo kep ker key khe khh khk khn kho khr kkc kke kkh kkk kkn kkp kkr kky kn- knc kne knk knn kno knp knr koc koe koh kok kon koo kop kor koy kpc kpe kph kpk kpn kpo kpp kpr krc krk krn kro krp krr kry kyc kye kyn kyo kyp kyr ncc nce nch nck ncn nco ncp ncr ne- nec nee neh nek nen neo nep ner ney nhc nhe nhh nhk nhn nhp nhr nhy nkc nke nkk nkn nko nkp nkr nky nnc nne nnh nnk nnn nno nnp no- noc noe noh nok non noo nop nor noy npc npe nph npn npo npp npr nrc nre nrk nrn nro nrp nrr nry nyc nye nyk nyn nyo nyp nyy oc- occ och ock ocn oco ocp ocr oec oee oeh oen oeo oep oer oey ohc ohe ohh ohn oho ohp ohr okc oke okk oko okp okr on- onc one onh onk onn ono onp onr ony oo- ooc ooh ook oon ooo oop oor op- opc ope oph opk opn opo opp opr opy or- orc ore orh ork orn oro orp orr ory oye oyo p-p pcc pce pch pck pcn pco pcp pcr pec pee peh pek pen peo pep per pey phc phe phk phn pho php phr phy pkc pke pkn pko pkp pkr pky pn- pnc pne pnh pnk pnn pno pnp pnr pny poc poe poh pok pon poo pop por poy ppc ppe pph ppk ppn ppo ppp ppr prc pre prh prk prn pro prp prr pry py- pyc pye pyk pyn pyo pyr rcc rce rch rcn rco rcp rcr re- rec ree reh rek ren reo rep rer rey rh- rhc rhe rhh rhn rho rhp rhr rkc rke rkk rko rkp rky rnc rnh rnn rno rnp rnr rny roc roe roh rok ron roo rop ror roy rpc rpe rph rpk rpn rpo rpp rpr rrc rrh rrk rrn rrp rrr ry- ryc rye ryk ryn ryo ryr ryy ycc yce ych yco ycp ycy yec yee yeh yek yen yeo yep yer yey yhc yhe ykk ykn yne ynk ynn ynp yny yoc yoe yok yon yoo yop yor yoy ypo yrc yre yrn yro yrp yyc yye yyy