-er -ic c-- ccc cce ccg cci ccl ccr ce- cec cee ceg cei cel cer cgc cge cgg cgi cgl cgr ci- cic cie cig cii cil cir cl- clc cle clg cli cll clr crc cre crg cri crl crr ec- ecc ece ecg eci ecl ecr eec eee eeg eel eer egc ege egg egi egl egr eic eie eig eii eil eir elc ele elg eli ell elr erc ere erg eri erl err gcc gce gcg gci gcl gcr ge- gec gee geg gei gel ger ggc ggg ggi ggr gic gie gig gii gil gir glc gle glg gli gll glr grc gre grg gri grl grr icc ice icg ici icl icr ie- iec iee ieg iei iel ier igc ige igg igi igl igr iic iie iii iil iir il- ilc ile ilg ili ill ilr ir- irc ire irg iri irl irr lcc lce lcg lci lcl lcr lec lee leg lei lel ler lgc lge lgg lgi lgl lgr lic lie lig lii lil lir llc lle llg lli lll llr lrc lrg lri lrr rcc rce rcg rci rcl rcr re- rec ree reg rei rel rer rgc rge rgg rgi rgr ric rie rig rii ril rir rlc rle rlg rli rll rlr rrc rrg rri rrl rrr