-er -ic c-- ccc cce ccf ccg cci ccn cco ccr ccv ce- cec cee cef ceg cei cen ceo cer cev cfc cfe cff cfg cfi cfn cfo cfr cfv cgc cge cgg cgi cgn cgo cgr cgv ci- cic cie cif cig cii cin cio cir civ cn- cnc cne cnf cng cni cnn cno cnr cnv co- coc coe cof cog coi con coo cor cov crc cre crf crg cri crn cro crr crv cvc cve cvf cvg cvi cvn cvo cvr cvv ec- ecc ece ecf ecg eci ecn eco ecr ecv eec eee eef eeg een eeo eer eev ef- efc efe eff efg efi efo efr egc ege egf egg egi egn ego egr eic eie eif eig eii ein eio eir eiv en- enc ene enf eng eni enn eno enr env eo- eoc eoe eof eog eoi eon eoo eor erc ere erf erg eri ern ero err erv evc eve evf evg evi evn evo evr evv fcc fce fcf fcg fci fcn fco fcr fcv fec fee fef feg fei fen feo fer fev ffc ffe fff ffg ffi ffn ffo ffr ffv fgc fge fgf fgg fgi fgn fgr fgv fic fie fif fig fii fin fir fnc fne fnf fng fni fnn fnr fnv foc foe fof fog foi fon foo for frc fre frf frg fri frn fro frr fvc fvg gcc gce gcf gcg gci gcn gco gcr ge- gec gee gef geg gei gen geo ger gev gfc gfe gff gfi gfo gfr ggc ggg ggi ggn ggo ggr ggv gic gie gif gig gii gin gio gir giv gnc gne gnf gni gnn gno gnr gnv goc goe gof gog goi gon goo gor gov grc gre grf grg gri grn gro grr grv gvc gve gvf gvg gvi gvn gvo gvr i-f i-v icc ice icf icg ici icn ico icr icv ie- iec iee ief ieg iei ien ier iev 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 inv io- ioc ioe iof iog ioi ion ioo ior iov ir- irc ire irf irg iri irn iro irr irv ivc ive ivf ivg ivi ivo ivr ivv n-i ncc nce ncf ncg nci ncn nco ncr ncv ne- nec nee nef neg nei nen neo ner nev nfc nfe nff nfi nfn nfo nfr nfv ngc nge ngf ngg ngi ngn ngo nic nie nif nig nii nin nio nir niv nnc nne nnf nng nni nnn nno nnv no- noc noe nof nog noi non noo nor nov nrc nre nrf nrg nri nrn nro nrr nrv nvc nve nvg nvi nvn nvv o-i oc- occ ocf ocg oci ocn oco ocr ocv oec oee oef oeg oei oen oeo oer of- ofc ofe off ofg ofi ofn ofo ofr ofv ogc oge ogf ogg ogi ogn ogo oic oie oif oii oin oio oir oiv on- onc one onf ong oni onn ono onr oo- ooc oof oog ooi oon ooo oor oov or- orc ore orf org ori orn oro orr orv ov- ovc ove ovf ovi ovo ovv rcc rce rcf rcg rci rcn rco rcr rcv re- rec ree ref reg rei ren reo rer rev rfc rfe rff rfg rfi rfn rfo rfr rfv rgc rge rgf rgg rgi rgn rgo rgr rgv ric rie rif rig rii rin rio rir riv rnc rng rni rnn rno rnr rnv roc roe rof rog roi ron roo ror rov rrc rrf rrg rri rrn rrr rvc rve rvf rvg rvi rvn rvo rvr rvv v-e vcc vce vcf vci vcn vco vcr vec vee vef veg vei ven veo ver vfc vff vfg vfi vfn vfr vfv vgc vgf vgg vgn vgo vgr vi- vic vie vif vig vii vin vio vir viv vn- vnf vng vni vno vnr vnv voc voe vof vog voi von voo vor vov vrc vre vrf vrg vri vrn vrr vvc vvg vvi vvo vvr vvv