-er -ic c-- ccc ccd cce cci ccm ccn ccp ccr cdc cdd cde cdi cdm cdn cdp cdr ce- cec ced cee cei cem cen cep cer ci- cic cid cie cii cim cin cip cir cmc cmd cme cmi cmm cmn cmp cmr cn- cnc cnd cne cni cnm cnn cnp cnr cpc cpd cpe cpi cpm cpn cpp cpr crc crd cre cri crm crn crp crr dcc dcd dce dci dcm dcn dcp dcr ddc ddd dde ddi ddm ddn ddp ddr de- dec ded dee dei dem den dep der di- dic did die dii dim din dip dir dmc dmd dme dmi dmm dmn dmp dmr dnc dnd dne dni dnm dnn dnp dnr dpc dpd dpe dpi dpm dpn dpp dpr drc drd dre dri drm drn drp drr ec- ecc ecd ece eci ecm ecn ecr ed- edc edd ede edi edm edn edp edr eec eed eee eem een eep eer eic eid eie eii eim ein eip eir em- emc emd eme emi emm emn emp emr en- enc end ene eni enm enn enp enr ep- epc epd epe epi epm epn epp epr erc erd ere eri erm ern erp err i-d icc icd ice ici icm icn icp icr idc idd ide idi idm idn idp idr ie- iec ied iee iei iem ien iep ier iic iid iie iii iim iin iip iir im- imc imd ime imi imm imn imp in- inc ind ine ini inm inn inp inr ipc ipd ipe ipi ipm ipn ipp ipr ir- irc ird ire iri irm irn irp irr m-r mc- mcc mcd mce mci mcm mcn mcp mcr mdc mdd mde mdi mdm mdn mdp mdr mec med mee mei mem men mep mer mi- mic mid mie mii mim min mip mir mmc mmd mme mmi mmm mmn mmp mmr mnc mne mni mnm mnn mnp mnr mpc mpd mpe mpi mpm mpn mpp mpr mrc mrd mre mri mrm mrn mrp mrr n-i ncc ncd nce nci ncm ncn ncp ncr ndc ndd nde ndi ndm ndn ndp ndr ne- nec ned nee nei nem nen nep ner nic nid nie nii nim nin nip nir nmc nmd nme nmi nmm nmn nmp nmr nnc nne nni nnm nnn nnp npc npd npe npi npm npn npp npr nrc nrd nre nri nrm nrn nrp nrr p-p pcc pcd pce pci pcm pcn pcp pcr pdc pdd pde pdi pdm pdn pdp pdr pec ped pee pei pem pen pep per pic pid pie pii pim pin pip pir pmc pmd pme pmi pmm pmn pmp pmr pn- pnc pnd pne pni pnm pnn pnp pnr ppc ppd ppe ppi ppm ppn ppp ppr prc prd pre pri prm prn prp prr rcc rcd rce rci rcm rcn rcp rcr rdc rdd rde rdi rdm rdn rdp rdr re- rec red ree rei rem ren rep rer ric rid rie rii rim rin rip rir rmc rmd rme rmi rmm rmn rmp rmr rnc rnd rni rnm rnn rnp rnr rpc rpd rpe rpi rpm rpn rpp rpr rrc rrd rri rrm rrn rrp rrr