-er -ic c-- ccc cce ccf ccg cci ccn cco ccp ccr ccs ce- cec cee cef ceg cei cen ceo cep cer ces cfc cfe cff cfg cfi cfn cfo cfp cfr cfs cgc cge cgg cgi cgn cgo cgp cgr cgs ci- cic cie cif cig cii cin cio cip cir cis cn- cnc cne cnf cng cni cnn cno cnp cnr cns co- coc coe cof cog coi con coo cop cor cos cpc cpe cpf cpg cpi cpn cpo cpp cpr cps crc cre crf crg cri crn cro crp crr crs csc cse csf csg csi csn cso csp csr css ec- ecc ece ecf ecg eci ecn eco ecr ecs eec eee eef eeg een eeo eep eer ees ef- efc efe eff efg efi efo efp efr efs egc ege egf egg egi egn ego egp egr egs eic eie eif eig eii ein eio eip eir eis en- enc ene enf eng eni enn eno enp enr ens eo- eoc eoe eof eog eoi eon eoo eop eor eos ep- epc epe epf epg epi epn epo epp epr eps erc ere erf erg eri ern ero erp err ers es- esc ese esf esg esi esn eso esp esr ess fcc fce fcf fcg fci fcn fco fcp fcr fcs fec fee fef feg fei fen feo fep fer fes ffc ffe fff ffg ffi ffn ffo ffp ffr ffs fgc fge fgf fgg fgi fgn fgp fgr fgs fic fie fif fig fii fin fip fir fis fnc fne fnf fng fni fnn fnp fnr fns foc foe fof fog foi fon foo fop for fos fpc fpe fpg fpi fpn fpo fpp fpr fps frc fre frf frg fri frn fro frp frr frs fsc fse fsf fsg fsi fsn fso fsp fsr fss g-p gcc gce gcf gcg gci gcn gco gcp gcr gcs ge- gec gee gef geg gei gen geo gep ger ges gfc gfe gff gfi gfo gfp gfr gfs ggc ggg ggi ggn ggo ggp ggr ggs gic gie gif gig gii gin gio gip gir gis gnc gne gnf gni gnn gno gnp gnr gns goc goe gof gog goi gon goo gop gor gos gpc gpe gpf gpg gpi gpn gpo gpp gpr gps grc gre grf grg gri grn gro grp grr grs gsc gse gsf gsg gsi gsn gso gsp gsr gss i-f icc ice icf icg ici icn ico icp icr ics ie- iec iee ief ieg iei ien iep ier ies ifc ife iff ifg ifi ifn ifo ifp ifr ifs igc ige igf igg igi ign igo igp igr igs iic iie iif iii iin iio iip iir iis in- inc ine inf ing ini inn ino inp inr ins io- ioc ioe iof iog ioi ion ioo iop ior ios ipc ipe ipf ipg ipi ipn ipo ipp ipr ips ir- irc ire irf irg iri irn iro irp irr irs is- isc ise isf isg isi isn iso isp isr iss n-i ncc nce ncf ncg nci ncn nco ncp ncr ncs ne- nec nee nef neg nei nen neo nep ner nes nfc nfe nff nfi nfn nfo nfp nfr nfs ngc nge ngf ngg ngi ngn ngo ngp ngs nic nie nif nig nii nin nio nip nir nis nnc nne nnf nng nni nnn nno nnp nns no- noc noe nof nog noi non noo nop nor nos npc npe npf npg npi npn npo npp npr nps nrc nre nrf nrg nri nrn nro nrp nrr nrs nsc nse nsf nsg nsi nsn nso nsp nsr nss o-i oc- occ ocf ocg oci ocn oco ocp ocr ocs oec oee oef oeg oei oen oeo oep oer oes of- ofc ofe off ofg ofi ofn ofo ofp ofr ofs ogc oge ogf ogg ogi ogn ogo ogp ogs oic oie oif oii oin oio oip oir ois on- onc one onf ong oni onn ono onp onr ons oo- ooc oof oog ooi oon ooo oop oor oos op- opc ope opf opg opi opn opo opp opr ops or- orc ore orf org ori orn oro orp orr ors os- osc ose osf osg osi osn oso osp osr oss p-p pcc pce pcf pcg pci pcn pco pcp pcr pcs pec pee pef peg pei pen peo pep per pes pfc pfe pff pfg pfi pfn pfo pfp pfr pfs pgc pge pgf pgg pgi pgn pgo pgp pgr pgs pic pie pif pig pii pin pio pip pir pis pn- pnc pne pnf png pni pnn pno pnp pnr pns poc poe pof pog poi pon poo pop por pos ppc ppe ppf ppg ppi ppn ppo ppp ppr pps prc pre prf prg pri prn pro prp prr prs ps- psc pse psf psg psi psn pso psp psr pss rcc rce rcf rcg rci rcn rco rcp rcr rcs re- rec ree ref reg rei ren reo rep rer res rfc rfe rff rfg rfi rfn rfo rfp rfr rfs rgc rge rgf rgg rgi rgn rgo rgp rgr rgs ric rie rif rig rii rin rio rip rir ris rnc rng rni rnn rno rnp rnr rns roc roe rof rog roi ron roo rop ror ros rpc rpe rpf rpg rpi rpn rpo rpp rpr rps rrc rrf rrg rri rrn rrp rrr rrs rsc rse rsf rsg rsi rsn rso rsp rsr rss scc sce scf scg sci scn sco scp scr scs se- sec see sef seg sei sen seo sep ser ses sfc sfe sff sfg sfi sfn sfo sfp sfr sfs sgc sge sgf sgg sgi sgn sgo sgp sgr sgs sic sie sif sig sii sin sio sip sir sis snc sne snf sng sni snn sno snp snr sns soc soe sof sog soi son soo sop sor sos spc spe spf spg spi spn spo spp spr sps sr- src sre srf srg sri srn sro srp