-er -ic c-- ccc cce cci ccm ccn ccp ccr ce- cec cee cei cem cen cep cer ci- cic cie cii cim cin cip cir cmc cme cmi cmm cmn cmp cmr cn- cnc cne cni cnm cnn cnp cnr cpc cpe cpi cpm cpn cpp cpr crc cre cri crm crn crp crr ec- ecc ece eci ecm ecn ecr eec eee eem een eep eer eic eie eii eim ein eip eir em- emc eme emi emm emn emp emr en- enc ene eni enm enn enp enr ep- epc epe epi epm epn epp epr erc ere eri erm ern erp err icc ice ici icm icn icp icr ie- iec iee iei iem ien iep ier iic iie iii iim iin iip iir im- imc ime imi imm imn imp in- inc ine ini inm inn inp inr ipc ipe ipi ipm ipn ipp ipr ir- irc ire iri irm irn irp irr m-r mc- mcc mce mci mcm mcn mcp mcr mec mee mei mem men mep mer mi- mic mie mii mim min mip mir mmc mme mmi mmm mmn mmp mmr mnc mne mni mnm mnn mnp mnr mpc mpe mpi mpm mpn mpp mpr mrc mre mri mrm mrn mrp mrr n-i ncc nce nci ncm ncn ncp ncr ne- nec nee nei nem nen nep ner nic nie nii nim nin nip nir nmc nme nmi nmm nmn nmp nmr nnc nne nni nnm nnn nnp npc npe npi npm npn npp npr nrc nre nri nrm nrn nrp nrr p-p pcc pce pci pcm pcn pcp pcr pec pee pei pem pen pep per pic pie pii pim pin pip pir pmc pme pmi pmm pmn pmp pmr pn- pnc pne pni pnm pnn pnp pnr ppc ppe ppi ppm ppn ppp ppr prc pre pri prm prn prp prr rcc rce rci rcm rcn rcp rcr re- rec ree rei rem ren rep rer ric rie rii rim rin rip rir rmc rme rmi rmm rmn rmp rmr rnc rni rnm rnn rnp rnr rpc rpe rpi rpm rpn rpp rpr rrc rri rrm rrn rrp rrr