-er -ic c-- ccc cce ccf ccg cci cck ccn ccp ccr ccs ce- cec cee cef ceg cei cek cen cep cer ces cfc cfe cff cfg cfi cfk cfn cfp cfr cfs cgc cge cgg cgi cgn cgp cgr cgs ci- cic cie cif cig cii cik cin cip cir cis ckc cki cks cn- cnc cne cnf cng cni cnn cnp cnr cns cpc cpe cpf cpg cpi cpk cpn cpp cpr cps crc cre crf crg cri crk crn crp crr crs csc cse csf csg csi csk csn csp csr css ec- ecc ece ecf ecg eci eck ecn ecr ecs eec eee eef eeg eek een eep eer ees ef- efc efe eff efg efi efp efr efs egc ege egf egg egi egn egp egr egs eic eie eif eig eii eik ein eip eir eis ekc eke ekf ekg eki ekp ekr eks en- enc ene enf eng eni enk enn enp enr ens ep- epc epe epf epg epi epn epp epr eps erc ere erf erg eri erk ern erp err ers es- esc ese esf esg esi esk esn esp esr ess fcc fce fcf fcg fci fck fcn fcp fcr fcs fec fee fef feg fei fek fen fep fer fes ffc ffe fff ffg ffi ffk ffn ffp ffr ffs fgc fge fgf fgg fgi fgn fgp fgr fgs fic fie fif fig fii fik fin fip fir fis fkc fkf fkg fki fkk fkp fnc fne fnf fng fni fnk fnn fnp fnr fns fpc fpe fpg fpi fpk fpn fpp fpr fps frc fre frf frg fri frk frn frp frr frs fsc fse fsf fsg fsi fsk fsn fsp fsr fss g-p gcc gce gcf gcg gci gck gcn gcp gcr gcs ge- gec gee gef geg gei gek gen gep ger ges gfc gfe gff gfi gfk gfp gfr gfs ggc ggg ggi ggn ggp ggr ggs gic gie gif gig gii gik gin gip gir gis gkn gkp gks gnc gne gnf gni gnn gnp gnr gns gpc gpe gpf gpg gpi gpk gpn gpp gpr gps grc gre grf grg gri grk grn grp grr grs gsc gse gsf gsg gsi gsk gsn gsp gsr gss i-f icc ice icf icg ici ick icn icp icr ics ie- iec iee ief ieg iei iek ien iep ier ies ifc ife iff ifg ifi ifn ifp ifr ifs igc ige igf igg igi igk ign igp igr igs iic iie iif iii iin iip iir iis ikc ike ikf iki ikk ikr iks in- inc ine inf ing ini ink inn inp inr ins ipc ipe ipf ipg ipi ipn ipp ipr ips ir- irc ire irf irg iri irk irn irp irr irs is- isc ise isf isg isi isk isn isp isr iss kcc kce kcg kci kck kcn kcp kcr kcs ke- kec kee kef keg kei kek ken kep ker kes kfc kff kfg kfi kfs kgc kgf kgi kgp kgs kic kie kif kig kii kik kin kip kir kis kkc kke kki kkk kkn kkp kkr kks kn- knc kne knf kng kni knk knn knp knr kpc kpe kpf kpi kpk kpn kpp kpr kps krc krf krg kri krk krn krp krr krs ksc kse ksf ksg ksi ksk ksn ksp ksr kss n-i ncc nce ncf ncg nci nck ncn ncp ncr ncs ne- nec nee nef neg nei nek nen nep ner nes nfc nfe nff nfi nfk nfn nfp nfr nfs ngc nge ngf ngg ngi ngk ngn ngp ngs nic nie nif nig nii nik nin nip nir nis nkc nke nkf nki nkk nkn nkp nkr nks nnc nne nnf nng nni nnk nnn nnp nns npc npe npf npg npi npn npp npr nps nrc nre nrf nrg nri nrk nrn nrp nrr nrs nsc nse nsf nsg nsi nsk nsn nsp nsr nss p-p pcc pce pcf pcg pci pck pcn pcp pcr pcs pec pee pef peg pei pek pen pep per pes pfc pfe pff pfg pfi pfk pfn pfp pfr pfs pgc pge pgf pgg pgi pgk pgn pgp pgr pgs pic pie pif pig pii pik pin pip pir pis pkc pke pkf pkg pki pkn pkp pkr pks pn- pnc pne pnf png pni pnk pnn pnp pnr pns ppc ppe ppf ppg ppi ppk ppn ppp ppr pps prc pre prf prg pri prk prn prp prr prs ps- psc pse psf psg psi psk psn psp psr pss rcc rce rcf rcg rci rcn rcp rcr rcs re- rec ree ref reg rei rek ren rep rer res rfc rfe rff rfg rfi rfk rfn rfp rfr rfs rgc rge rgf rgg rgi rgk rgn rgp rgr rgs ric rie rif rig rii rik rin rip rir ris rkc rke rkf rkg rkk rkp rks rnc rng rni rnn rnp rnr rns rpc rpe rpf rpg rpi rpk rpn rpp rpr rps rrc rrf rrg rri rrk rrn rrp rrr rrs rsc rse rsf rsg rsi rsk rsn rsp rsr rss scc sce scf scg sci sck scn scp scr scs se- sec see sef seg sei sek sen sep ser ses sfc sfe sff sfg sfi sfk sfn sfp sfr sfs sgc sge sgf sgg sgi sgk sgn sgp sgr sgs sic sie sif sig sii sik sin sip sir sis sk- skc ske skf skg ski skk skp skr sks snc sne snf sng sni snk snn snp snr sns spc spe spf spg spi spk spn spp spr sps sr- src sre srf srg sri srk srn srp srr srs ss- ssc sse ssf ssg ssi ssk ssn ssp ssr sss