-er -ey c-- ccc cce cch cck ccn cco ccr ce- cec cee ceh cek cen ceo cer cey ch- chc che chh chk chn cho chr chy ckc ckh cko cky cn- cnc cne cnh cnn cno cnr cny co- coc coe coh cok con coo cor coy crc cre crh crk crn cro crr cry cyc cye cyk cyn cyo cyr ec- ecc ece ech eck ecn eco ecr eec eee eek een eeo eer eey ehc ehe ehh ehn eho ehr ekc eke ekh eko ekr eky en- enc ene enh enk enn eno enr eny eo- eoc eoe eoh eok eon eoo eor erc ere erh erk ern ero err ery eyc eye eyn eyo eyr hcc hce hch hck hcn hco hcr hcy he- hec hee heh hek hen heo her hey hhc hhe hhh hhk hhn hho hhr hhy hkh hkk hkn hko hkr hnc hne hnh hnk hnn hno hny hoc hoe hoh hok hon hoo hor hoy hr- hrc hre hrh hrk hrn hro hrr hy- hyc hye hyh hyn hyo hyr hyy kcc kce kch kck kcn kcr ke- kec kee keh kek ken keo ker key khe khh khk khn kho khr kkc kke kkh kkk kkn kkr kky kn- knc kne knk knn kno knr koc koe koh kok kon koo kor koy krc krk krn kro krr kry kyc kye kyn kyo kyr ncc nce nch nck ncn nco ncr ne- nec nee neh nek nen neo ner ney nhc nhe nhh nhk nhn nhr nhy nkc nke nkk nkn nko nkr nky nnc nne nnh nnk nnn nno no- noc noe noh nok non noo nor noy nrc nre nrk nrn nro nrr nry nyc nye nyk nyn nyo nyy oc- occ och ock ocn oco ocr oec oee oeh oen oeo oer oey ohc ohe ohh ohn oho ohr okc oke okk oko okr on- onc one onh onk onn ono onr ony oo- ooc ooh ook oon ooo oor or- orc ore orh ork orn oro orr ory oye oyo rcc rce rch rcn rco rcr re- rec ree reh rek ren reo rer rey rh- rhc rhe rhh rhn rho rhr rkc rke rkk rko rky rnc rnh rnn rno rnr rny roc roe roh rok ron roo ror roy rrc rrh rrk rrn rrr ry- ryc rye ryk ryn ryo ryr ryy ycc yce ych yco ycy yec yee yeh yek yen yeo yer yey yhc yhe ykk ykn yne ynk ynn yny yoc yoe yok yon yoo yor yoy yrc yre yrn yro yyc yye yyy