-er -ic c-- ccc cce ccg cci ccr ccz ce- cec cee ceg cei cer cez cgc cge cgg cgi cgr ci- cic cie cig cii cir crc cre crg cri crr crz cz- czc cze ec- ecc ece ecg eci ecr eec eee eeg eer egc ege egg egi egr eic eie eig eii eir erc ere erg eri err erz eze ezr ezz gcc gce gcg gci gcr ge- gec gee geg gei ger gez ggc ggg ggi ggr ggz gic gie gig gii gir giz grc gre grg gri grr gzr icc ice icg ici icr icz ie- iec iee ieg iei ier igc ige igg igi igr iic iie iii iir ir- irc ire irg iri irr ize izi izz rcc rce rcg rci rcr re- rec ree reg rei rer rez rgc rge rgg rgi rgr ric rie rig rii rir riz rrc rrg rri rrr rze z-g zce zec zee zer zez zgg zgi zie zig zir ziz zzr zzz