-er c-- ccc cce ccg cch ccr ccz ce- cec cee ceg ceh cer cez cgc cge cgg cgh cgr ch- chc che chg chh chr chz crc cre crg crh crr crz cz- czc cze ec- ecc ece ecg ech ecr eec eee eeg eer egc ege egg egh egr ehc ehe ehg ehh ehr erc ere erg erh err erz eze ezh ezr ezz gcc gce gcg gch gcr ge- gec gee geg geh ger gez ggc ggg ggh ggr ggz ghc ghe ghg ghh ghr ghz grc gre grg grh grr gzr hcc hce hcg hch hcr he- hec hee heg heh her hez hgc hge hgg hgh hgr hhc hhe hhg hhh hhr hhz hr- hrc hre hrg hrh hrr hrz hze rcc rce rcg rch rcr re- rec ree reg reh rer rez rgc rge rgg rgh rgr rh- rhc rhe rhg rhh rhr rrc rrg rrh rrr rze z-g zce zec zee zeh zer zez zgg zhc zhe zhr zrh zzr zzz