-er -ey c-- ccc cce cch cck ccn cco ccr ccu ce- cec cee ceh cek cen ceo cer ceu cey ch- chc che chh chk chn cho chr chu chy ckc ckh cko cky cn- cnc cne cnh cnn cno cnr cnu cny co- coc coe coh cok con coo cor cou coy crc cre crh crk crn cro crr cru cry cuc cue cuh cuk cun cuo cur cuu cuy cyc cye cyk cyn cyo cyr ec- ecc ece ech eck ecn eco ecr ecu eec eee eek een eeo eer eey ehc ehe ehh ehn eho ehr ehu ekc eke ekh eko ekr eku eky en- enc ene enh enk enn eno enr enu eny eo- eoc eoe eoh eok eon eoo eor eou erc ere erh erk ern ero err eru ery eu- euc eue eun eur eyc eye eyn eyo eyr hcc hce hch hck hcn hco hcr hcy he- hec hee heh hek hen heo her heu hey hhc hhe hhh hhk hhn hho hhr hhu hhy hkh hkk hkn hko hkr hku hnc hne hnh hnk hnn hno hnu hny hoc hoe hoh hok hon hoo hor hou hoy hr- hrc hre hrh hrk hrn hro hrr hru huc hue huh huk hun huo hur huu huy hy- hyc hye hyh hyn hyo hyr hyy kcc kce kch kck kcn kcr kcu ke- kec kee keh kek ken keo ker key khe khh khk khn kho khr khu kkc kke kkh kkk kkn kkr kku kky kn- knc kne knk knn kno knr knu koc koe koh kok kon koo kor kou koy krc krk krn kro krr kru kry kuc kue kuh kuk kun kur kuu kuy kyc kye kyn kyo kyr kyu ncc nce nch nck ncn nco ncr ncu ne- nec nee neh nek nen neo ner neu ney nhc nhe nhh nhk nhn nhr nhu nhy nkc nke nkk nkn nko nkr nku nky nnc nne nnh nnk nnn nno nnu no- noc noe noh nok non noo nor nou noy nrc nre nrk nrn nro nrr nru nry nuc nue nuh nuk nun nuo nur nuu nuy nyc nye nyk nyn nyo nyu nyy oc- occ och ock ocn oco ocr ocu oec oee oeh oen oeo oer oey ohc ohe ohh ohn oho ohr ohu okc oke okk oko okr oku on- onc one onh onk onn ono onr onu ony oo- ooc ooh ook oon ooo oor or- orc ore orh ork orn oro orr oru ory ou- ouc oue ouh ouk oun ouo our oye oyo rcc rce rch rcn rco rcr rcu re- rec ree reh rek ren reo rer reu rey rh- rhc rhe rhh rhn rho rhr rhu rkc rke rkk rko rku rky rnc rnh rnn rno rnr rnu rny roc roe roh rok ron roo ror rou roy rrc rrh rrk rrn rrr rru ruc rue ruh ruk run ruo rur ruu ruy ry- ryc rye ryk ryn ryo ryr ryu ryy ucc uce uch uck ucn uco ucr ucu uec uee ueh uen uer uey uhc uhe uhh uho uhr uhu uhy ukc uke ukk ukn ukr uku un- unc une unh unk unn uno unr unu uny uoc uoe uok uon uoo uor ur- urc ure urk urn uro urr uru ury uuc uue uun uur uuu uyc uyo uyu ycc yce ych yco ycu ycy yec yee yeh yek yen yeo yer yey yhc yhe yhu ykk ykn yne ynk ynn ynu yny yoc yoe yok yon yoo yor you yoy yrc yre yrn yro yru yue yuh yuk yun yuo yur yuu yuy yyc yye yyu yyy