-er -ey c-- ccc cce cch cck ccr ccu ce- cec cee ceh cek cer ceu cey ch- chc che chh chk chr chu chy ckc ckh cky crc cre crh crk crr cru cry cuc cue cuh cuk cur cuu cuy cyc cye cyk cyr ec- ecc ece ech eck ecr ecu eec eee eek eer eey ehc ehe ehh ehr ehu ekc eke ekh ekr eku eky erc ere erh erk err eru ery eu- euc eue eur eyc eye eyr hcc hce hch hck hcr hcy he- hec hee heh hek her heu hey hhc hhe hhh hhk hhr hhu hhy hkh hkk hkr hku hr- hrc hre hrh hrk hrr hru huc hue huh huk hur huu huy hy- hyc hye hyh hyr hyy kcc kce kch kck kcr kcu ke- kec kee keh kek ker key khe khh khk khr khu kkc kke kkh kkk kkr kku kky krc krk krr kru kry kuc kue kuh kuk kur kuu kuy kyc kye kyr kyu rcc rce rch rcr rcu re- rec ree reh rek rer reu rey rh- rhc rhe rhh rhr rhu rkc rke rkk rku rky rrc rrh rrk rrr rru ruc rue ruh ruk rur ruu ruy ry- ryc rye ryk ryr ryu ryy ucc uce uch uck ucr ucu uec uee ueh uer uey uhc uhe uhh uhr uhu uhy ukc uke ukk ukr uku ur- urc ure urk urr uru ury uuc uue uur uuu uyc uyu ycc yce ych ycu ycy yec yee yeh yek yer yey yhc yhe yhu ykk yrc yre yru yue yuh yuk yur yuu yuy yyc yye yyu yyy