-er c-- ccc cce ccg cch cco ccr ccz ce- cec cee ceg ceh ceo cer cez cgc cge cgg cgh cgo cgr ch- chc che chg chh cho chr chz co- coc coe cog coh coo cor coz crc cre crg crh cro crr crz cz- czc cze czo ec- ecc ece ecg ech eco ecr eec eee eeg eeo eer egc ege egg egh ego egr ehc ehe ehg ehh eho ehr eo- eoc eoe eog eoh eoo eor erc ere erg erh ero err erz eze ezh ezo ezr ezz gcc gce gcg gch gco gcr ge- gec gee geg geh geo ger gez ggc ggg ggh ggo ggr ggz ghc ghe ghg ghh gho ghr ghz goc goe gog goh goo gor goz grc gre grg grh gro grr gzo gzr hcc hce hcg hch hco hcr he- hec hee heg heh heo her hez hgc hge hgg hgh hgo hgr hhc hhe hhg hhh hho hhr hhz hoc hoe hog hoh hoo hor hr- hrc hre hrg hrh hro hrr hrz hze hzo oc- occ ocg och oco ocr ocz oec oee oeg oeh oeo oer ogc oge ogg ogh ogo ohc ohe ohg ohh oho ohr oo- ooc oog ooh ooo oor or- orc ore org orh oro orr orz oze ozo ozz rcc rce rcg rch rco rcr re- rec ree reg reh reo rer rez rgc rge rgg rgh rgo rgr rh- rhc rhe rhg rhh rho rhr roc roe rog roh roo ror roz rrc rrg rrh rrr rze rzo z-g zce zco zec zee zeh zeo zer zez zgg zhc zhe zho zhr zo- zoc zoe zog zoo zor zrh zro zzr zzz