-er -ic c-- ccc cce ccf ccg cci cco ccp ccr ce- cec cee cef ceg cei ceo cep cer cfc cfe cff cfg cfi cfo cfp cfr cgc cge cgg cgi cgo cgp cgr ci- cic cie cif cig cii cio cip cir co- coc coe cof cog coi coo cop cor cpc cpe cpf cpg cpi cpo cpp cpr crc cre crf crg cri cro crp crr ec- ecc ece ecf ecg eci eco ecr eec eee eef eeg eeo eep eer ef- efc efe eff efg efi efo efp efr egc ege egf egg egi ego egp egr eic eie eif eig eii eio eip eir eo- eoc eoe eof eog eoi eoo eop eor ep- epc epe epf epg epi epo epp epr erc ere erf erg eri ero erp err fcc fce fcf fcg fci fco fcp fcr fec fee fef feg fei feo fep fer ffc ffe fff ffg ffi ffo ffp ffr fgc fge fgf fgg fgi fgp fgr fic fie fif fig fii fip fir foc foe fof fog foi foo fop for fpc fpe fpg fpi fpo fpp fpr frc fre frf frg fri fro frp frr g-p gcc gce gcf gcg gci gco gcp gcr ge- gec gee gef geg gei geo gep ger gfc gfe gff gfi gfo gfp gfr ggc ggg ggi ggo ggp ggr gic gie gif gig gii gio gip gir goc goe gof gog goi goo gop gor gpc gpe gpf gpg gpi gpo gpp gpr grc gre grf grg gri gro grp grr i-f icc ice icf icg ici ico icp icr ie- iec iee ief ieg iei iep ier ifc ife iff ifg ifi ifo ifp ifr igc ige igf igg igi igo igp igr iic iie iif iii iio iip iir io- ioc ioe iof iog ioi ioo iop ior ipc ipe ipf ipg ipi ipo ipp ipr ir- irc ire irf irg iri iro irp irr o-i oc- occ ocf ocg oci oco ocp ocr oec oee oef oeg oei oeo oep oer of- ofc ofe off ofg ofi ofo ofp ofr ogc oge ogf ogg ogi ogo ogp oic oie oif oii oio oip oir oo- ooc oof oog ooi ooo oop oor op- opc ope opf opg opi opo opp opr or- orc ore orf org ori oro orp orr p-p pcc pce pcf pcg pci pco pcp pcr pec pee pef peg pei peo pep per pfc pfe pff pfg pfi pfo pfp pfr pgc pge pgf pgg pgi pgo pgp pgr pic pie pif pig pii pio pip pir poc poe pof pog poi poo pop por ppc ppe ppf ppg ppi ppo ppp ppr prc pre prf prg pri pro prp prr rcc rce rcf rcg rci rco rcp rcr re- rec ree ref reg rei reo rep rer rfc rfe rff rfg rfi rfo rfp rfr rgc rge rgf rgg rgi rgo rgp rgr ric rie rif rig rii rio rip rir roc roe rof rog roi roo rop ror rpc rpe rpf rpg rpi rpo rpp rpr rrc rrf rrg rri rrp rrr