-er -ic c-- ccc cce cci ccl ccn ccp ccr ce- cec cee cei cel cen cep cer ci- cic cie cii cil cin cip cir cl- clc cle cli cll cln clp clr cn- cnc cne cni cnl cnn cnp cnr cpc cpe cpi cpl cpn cpp cpr crc cre cri crl crn crp crr ec- ecc ece eci ecl ecn ecr eec eee eel een eep eer eic eie eii eil ein eip eir elc ele eli ell eln elp elr en- enc ene eni enl enn enp enr ep- epc epe epi epl epn epp epr erc ere eri erl ern erp err icc ice ici icl icn icp icr ie- iec iee iei iel ien iep ier iic iie iii iil iin iip iir il- ilc ile ili ill iln ilp ilr in- inc ine ini inl inn inp inr ipc ipe ipi ipl ipn ipp ipr ir- irc ire iri irl irn irp irr l-p lcc lce lci lcl lcn lcp lcr lec lee lei lel len lep ler lic lie lii lil lin lip lir llc lle lli lll lln llp llr lnc lne lni lnl lnn lnp lnr lpc lpe lpi lpl lpn lpp lpr lrc lri lrn lrp lrr n-i ncc nce nci ncl ncn ncp ncr ne- nec nee nei nel nen nep ner nic nie nii nil nin nip nir nlc nle nli nll nln nlp nlr nnc nne nni nnl nnn nnp npc npe npi npl npn npp npr nrc nre nri nrl nrn nrp nrr p-p pcc pce pci pcl pcn pcp pcr pec pee pei pel pen pep per pic pie pii pil pin pip pir plc ple pli pll pln plp plr pn- pnc pne pni pnl pnn pnp pnr ppc ppe ppi ppl ppn ppp ppr prc pre pri prl prn prp prr rcc rce rci rcl rcn rcp rcr re- rec ree rei rel ren rep rer ric rie rii ril rin rip rir rlc rle rli rll rln rlp rlr rnc rni rnn rnp rnr rpc rpe rpi rpl rpn rpp rpr rrc rri rrl rrn rrp rrr