-er -ic c-- ccc cce cci cck ccl ccn ccp ccr ccs ce- cec cee cei cek cel cen cep cer ces ci- cic cie cii cik cil cin cip cir cis ckc cki cks cl- clc cle cli clk cll cln clp clr cls cn- cnc cne cni cnl cnn cnp cnr cns cpc cpe cpi cpk cpl cpn cpp cpr cps crc cre cri crk crl crn crp crr crs csc cse csi csk csl csn csp csr css ec- ecc ece eci eck ecl ecn ecr ecs eec eee eek eel een eep eer ees eic eie eii eik eil ein eip eir eis ekc eke eki ekl ekp ekr eks elc ele eli elk ell eln elp elr els en- enc ene eni enk enl enn enp enr ens ep- epc epe epi epl epn epp epr eps erc ere eri erk erl ern erp err ers es- esc ese esi esk esl esn esp esr ess icc ice ici ick icl icn icp icr ics ie- iec iee iei iek iel ien iep ier ies iic iie iii iil iin iip iir iis ikc ike iki ikk ikl ikr iks il- ilc ile ili ilk ill iln ilp ilr ils in- inc ine ini ink inl inn inp inr ins ipc ipe ipi ipl ipn ipp ipr ips ir- irc ire iri irk irl irn irp irr irs is- isc ise isi isk isl isn isp isr iss kcc kce kci kck kcl kcn kcp kcr kcs ke- kec kee kei kek kel ken kep ker kes kic kie kii kik kil kin kip kir kis kkc kke kki kkk kkl kkn kkp kkr kks kl- klc kli klr kls kn- knc kne kni knk knl knn knp knr kpc kpe kpi kpk kpl kpn kpp kpr kps krc kri krk krl krn krp krr krs ksc kse ksi ksk ksl ksn ksp ksr kss l-p lcc lce lci lck lcl lcn lcp lcr lcs lec lee lei lek lel len lep ler les lic lie lii lik lil lin lip lir lis lkl lkp lkr lks llc lle lli llk lll lln llp llr lls lnc lne lni lnk lnl lnn lnp lnr lns lpc lpe lpi lpk lpl lpn lpp lpr lps lrc lri lrk lrn lrp lrr lrs lsc lse lsi lsk lsl lsn lsp lsr lss n-i ncc nce nci nck ncl ncn ncp ncr ncs ne- nec nee nei nek nel nen nep ner nes nic nie nii nik nil nin nip nir nis nkc nke nki nkk nkn nkp nkr nks nlc nle nli nlk nll nln nlp nlr nls nnc nne nni nnk nnl nnn nnp nns npc npe npi npl npn npp npr nps nrc nre nri nrk nrl nrn nrp nrr nrs nsc nse nsi nsk nsl nsn nsp nsr nss p-p pcc pce pci pck pcl pcn pcp pcr pcs pec pee pei pek pel pen pep per pes pic pie pii pik pil pin pip pir pis pkc pke pki pkl pkn pkp pkr pks plc ple pli plk pll pln plp plr pls pn- pnc pne pni pnk pnl pnn pnp pnr pns ppc ppe ppi ppk ppl ppn ppp ppr pps prc pre pri prk prl prn prp prr prs ps- psc pse psi psk psl psn psp psr pss rcc rce rci rcl rcn rcp rcr rcs re- rec ree rei rek rel ren rep rer res ric rie rii rik ril rin rip rir ris rkc rke rkk rkp rks rlc rle rli rll rln rlp rlr rls rnc rni rnn rnp rnr rns rpc rpe rpi rpk rpl rpn rpp rpr rps rrc rri rrk rrl rrn rrp rrr rrs rsc rse rsi rsk rsl rsn rsp rsr rss scc sce sci sck scl scn scp scr scs se- sec see sei sek sel sen sep ser ses sic sie sii sik sil sin sip sir sis sk- skc ske ski skk skl skp skr sks slc sle sli slk sll sln slp slr sls snc sne sni snk snl snn snp snr sns spc spe spi spk spl spn spp spr sps sr- src sre sri srk srl srn srp srr srs ss- ssc sse ssi ssk ssl ssn ssp ssr sss