-er c-- ccc cce cch ccr ccu ccz ce- cec cee ceh cer ceu cez ch- chc che chh chr chu chz crc cre crh crr cru crz cuc cue cuh cur cuu cuz cz- czc cze ec- ecc ece ech ecr ecu eec eee eer ehc ehe ehh ehr ehu erc ere erh err eru erz eu- euc eue eur eze ezh ezr ezz hcc hce hch hcr he- hec hee heh her heu hez hhc hhe hhh hhr hhu hhz hr- hrc hre hrh hrr hru hrz huc hue huh hur huu huz hze rcc rce rch rcr rcu re- rec ree reh rer reu rez rh- rhc rhe rhh rhr rhu rrc rrh rrr rru ruc rue ruh rur ruu ruz rze ucc uce uch ucr ucu uec uee ueh uer uhc uhe uhh uhr uhu ur- urc ure urr uru urz uuc uue uur uuu uzh uzu zce zec zee zeh zer zez zhc zhe zhr zhu zrh zuc zur zuz zzr zzz