-er -ic -ol c-- ccc cce ccg cci ccl cco ccr ce- cec cee ceg cei cel ceo cer cgc cge cgg cgi cgl cgo cgr ci- cic cie cig cii cil cio cir cl- clc cle clg cli cll clo clr co- coc coe cog coi col coo cor crc cre crg cri crl cro crr ec- ecc ece ecg eci ecl eco ecr eec eee eeg eel eeo eer egc ege egg egi egl ego egr eic eie eig eii eil eio eir elc ele elg eli ell elo elr eo- eoc eoe eog eoi eol eoo eor erc ere erg eri erl ero err gcc gce gcg gci gcl gco gcr ge- gec gee geg gei gel geo ger ggc ggg ggi ggo ggr gic gie gig gii gil gio gir glc gle glg gli gll glo glr goc goe gog goi gol goo gor grc gre grg gri grl gro grr icc ice icg ici icl ico icr ie- iec iee ieg iei iel ier igc ige igg igi igl igo igr iic iie iii iil iio iir il- ilc ile ilg ili ill ilo ilr io- ioc ioe iog ioi iol ioo ior ir- irc ire irg iri irl iro irr lcc lce lcg lci lcl lco lcr lec lee leg lei lel leo ler lgc lge lgg lgi lgl lgo lgr lic lie lig lii lil lio lir llc lle llg lli lll llo llr loc loe log loi lol loo lor lrc lrg lri lro lrr o-i oc- occ ocg oci ocl oco ocr oec oee oeg oei oel oeo oer ogc oge ogg ogi ogl ogo oic oie oii oil oio oir olc ole olg oli oll olo oo- ooc oog ooi ool ooo oor or- orc ore org ori orl oro orr rcc rce rcg rci rcl rco rcr re- rec ree reg rei rel reo rer rgc rge rgg rgi rgo rgr ric rie rig rii ril rio rir rlc rle rlg rli rll rlo rlr roc roe rog roi rol roo ror rrc rrg rri rrl rrr