-er -ol c-- ccc cce ccg ccl cco ccp ccr ce- cec cee ceg cel ceo cep cer cgc cge cgg cgl cgo cgp cgr cl- clc cle clg cll clo clp clr co- coc coe cog col coo cop cor cpc cpe cpg cpl cpo cpp cpr crc cre crg crl cro crp crr ec- ecc ece ecg ecl eco ecr eec eee eeg eel eeo eep eer egc ege egg egl ego egp egr elc ele elg ell elo elp elr eo- eoc eoe eog eol eoo eop eor ep- epc epe epg epl epo epp epr erc ere erg erl ero erp err g-p gcc gce gcg gcl gco gcp gcr ge- gec gee geg gel geo gep ger ggc ggg ggo ggp ggr glc gle glg gll glo glp glr goc goe gog gol goo gop gor gpc gpe gpg gpl gpo gpp gpr grc gre grg grl gro grp grr l-p lcc lce lcg lcl lco lcp lcr lec lee leg lel leo lep ler lgc lge lgg lgl lgo lgp lgr llc lle llg lll llo llp llr loc loe log lol loo lop lor lpc lpe lpg lpl lpo lpp lpr lrc lrg lro lrp lrr oc- occ ocg ocl oco ocp ocr oec oee oeg oel oeo oep oer ogc oge ogg ogl ogo ogp olc ole olg oll olo olp oo- ooc oog ool ooo oop oor op- opc ope opg opl opo opp opr or- orc ore org orl oro orp orr p-p pcc pce pcg pcl pco pcp pcr pec pee peg pel peo pep per pgc pge pgg pgl pgo pgp pgr plc ple plg pll plo plp plr poc poe pog pol poo pop por ppc ppe ppg ppl ppo ppp ppr prc pre prg prl pro prp prr rcc rce rcg rcl rco rcp rcr re- rec ree reg rel reo rep rer rgc rge rgg rgo rgp rgr rlc rle rlg rll rlo rlp rlr roc roe rog rol roo rop ror rpc rpe rpg rpl rpo rpp rpr rrc rrg rrl rrp rrr