-er -ic c-- ccc cce ccf ccg cci ccn cco ccr ce- cec cee cef ceg cei cen ceo cer cfc cfe cff cfg cfi cfn cfo cfr cgc cge cgg cgi cgn cgo cgr ci- cic cie cif cig cii cin cio cir cn- cnc cne cnf cng cni cnn cno cnr co- coc coe cof cog coi con coo cor crc cre crf crg cri crn cro crr ec- ecc ece ecf ecg eci ecn eco ecr eec eee eef eeg een eeo eer ef- efc efe eff efg efi efo efr egc ege egf egg egi egn ego egr eic eie eif eig eii ein eio eir en- enc ene enf eng eni enn eno enr eo- eoc eoe eof eog eoi eon eoo eor erc ere erf erg eri ern ero err fcc fce fcf fcg fci fcn fco fcr fec fee fef feg fei fen feo fer ffc ffe fff ffg ffi ffn ffo ffr fgc fge fgf fgg fgi fgn fgr fic fie fif fig fii fin fir fnc fne fnf fng fni fnn fnr foc foe fof fog foi fon foo for frc fre frf frg fri frn fro frr gcc gce gcf gcg gci gcn gco gcr ge- gec gee gef geg gei gen geo ger gfc gfe gff gfi gfo gfr ggc ggg ggi ggn ggo ggr gic gie gif gig gii gin gio gir gnc gne gnf gni gnn gno gnr goc goe gof gog goi gon goo gor grc gre grf grg gri grn gro grr i-f icc ice icf icg ici icn ico icr ie- iec iee ief ieg iei ien ier ifc ife iff ifg ifi ifn ifo ifr igc ige igf igg igi ign igo igr iic iie iif iii iin iio iir in- inc ine inf ing ini inn ino inr io- ioc ioe iof iog ioi ion ioo ior ir- irc ire irf irg iri irn iro irr n-i ncc nce ncf ncg nci ncn nco ncr ne- nec nee nef neg nei nen neo ner nfc nfe nff nfi nfn nfo nfr ngc nge ngf ngg ngi ngn ngo nic nie nif nig nii nin nio nir nnc nne nnf nng nni nnn nno no- noc noe nof nog noi non noo nor nrc nre nrf nrg nri nrn nro nrr o-i oc- occ ocf ocg oci ocn oco ocr oec oee oef oeg oei oen oeo oer of- ofc ofe off ofg ofi ofn ofo ofr ogc oge ogf ogg ogi ogn ogo oic oie oif oii oin oio oir on- onc one onf ong oni onn ono onr oo- ooc oof oog ooi oon ooo oor or- orc ore orf org ori orn oro orr rcc rce rcf rcg rci rcn rco rcr re- rec ree ref reg rei ren reo rer rfc rfe rff rfg rfi rfn rfo rfr rgc rge rgf rgg rgi rgn rgo rgr ric rie rif rig rii rin rio rir rnc rng rni rnn rno rnr roc roe rof rog roi ron roo ror rrc rrf rrg rri rrn rrr