-er -ey c-- ccc cce cch ccr ccu ce- cec cee ceh cer ceu cey ch- chc che chh chr chu chy crc cre crh crr cru cry cuc cue cuh cur cuu cuy cyc cye cyr ec- ecc ece ech ecr ecu eec eee eer eey ehc ehe ehh ehr ehu erc ere erh err eru ery eu- euc eue eur eyc eye eyr hcc hce hch hcr hcy he- hec hee heh her heu hey hhc hhe hhh hhr hhu hhy hr- hrc hre hrh hrr hru huc hue huh hur huu huy hy- hyc hye hyh hyr hyy rcc rce rch rcr rcu re- rec ree reh rer reu rey rh- rhc rhe rhh rhr rhu rrc rrh rrr rru ruc rue ruh rur ruu ruy ry- ryc rye ryr ryu ryy ucc uce uch ucr ucu uec uee ueh uer uey uhc uhe uhh uhr uhu uhy ur- urc ure urr uru ury uuc uue uur uuu uyc uyu ycc yce ych ycu ycy yec yee yeh yer yey yhc yhe yhu yrc yre yru yue yuh yur yuu yuy yyc yye yyu yyy