-er -ic c-- ccc cce cci ccl ccm ccp ccr ce- cec cee cei cel cem cep cer ci- cic cie cii cil cim cip cir cl- clc cle cli cll clm clp clr cmc cme cmi cml cmm cmp cmr cpc cpe cpi cpl cpm cpp cpr crc cre cri crl crm crp crr ec- ecc ece eci ecl ecm ecr eec eee eel eem eep eer eic eie eii eil eim eip eir elc ele eli ell elm elp elr em- emc eme emi eml emm emp emr ep- epc epe epi epl epm epp epr erc ere eri erl erm erp err icc ice ici icl icm icp icr ie- iec iee iei iel iem iep ier iic iie iii iil iim iip iir il- ilc ile ili ill ilm ilp ilr im- imc ime imi iml imm imp ipc ipe ipi ipl ipm ipp ipr ir- irc ire iri irl irm irp irr l-p lcc lce lci lcl lcm lcp lcr lec lee lei lel lem lep ler lic lie lii lil lim lip lir llc lle lli lll llm llp llr lmc lme lmi lml lmm lmp lmr lpc lpe lpi lpl lpm lpp lpr lrc lri lrm lrp lrr m-r mc- mcc mce mci mcl mcm mcp mcr mec mee mei mel mem mep mer mi- mic mie mii mil mim mip mir mlc mle mli mll mlm mlp mlr mmc mme mmi mml mmm mmp mmr mpc mpe mpi mpl mpm mpp mpr mrc mre mri mrl mrm mrp mrr p-p pcc pce pci pcl pcm pcp pcr pec pee pei pel pem pep per pic pie pii pil pim pip pir plc ple pli pll plm plp plr pmc pme pmi pml pmm pmp pmr ppc ppe ppi ppl ppm ppp ppr prc pre pri prl prm prp prr rcc rce rci rcl rcm rcp rcr re- rec ree rei rel rem rep rer ric rie rii ril rim rip rir rlc rle rli rll rlm rlp rlr rmc rme rmi rml rmm rmp rmr rpc rpe rpi rpl rpm rpp rpr rrc rri rrl rrm rrp rrr