-er -ic c-- ccc cce ccg cch cci ccr ce- cec cee ceg ceh cei cer cgc cge cgg cgh cgi cgr ch- chc che chg chh chi chr ci- cic cie cig cih cii cir crc cre crg crh cri crr ec- ecc ece ecg ech eci ecr eec eee eeg eer egc ege egg egh egi egr ehc ehe ehg ehh ehi ehr eic eie eig eii eir erc ere erg erh eri err gcc gce gcg gch gci gcr ge- gec gee geg geh gei ger ggc ggg ggh ggi ggr ghc ghe ghg ghh ghi ghr gic gie gig gih gii gir grc gre grg grh gri grr h-i hcc hce hcg hch hci hcr he- hec hee heg heh hei her hgc hge hgg hgh hgi hgr hhc hhe hhg hhh hhi hhr hic hie hig hih hii hir hr- hrc hre hrg hrh hri hrr icc ice icg ich ici icr ie- iec iee ieg iei ier igc ige igg igh igi igr ihc ihe ihg ihh ihi ihr iic iie iih iii iir ir- irc ire irg iri irr rcc rce rcg rch rci rcr re- rec ree reg reh rei rer rgc rge rgg rgh rgi rgr rh- rhc rhe rhg rhh rhi rhr ric rie rig rih rii rir rrc rrg rrh rri rrr