-er -ic c-- ccc ccd cce cci ccm ccr ccz cdc cdd cde cdi cdm cdr cdz ce- cec ced cee cei cem cer cez ci- cic cid cie cii cim cir cmc cmd cme cmi cmm cmr crc crd cre cri crm crr crz cz- czc czd cze czm dcc dcd dce dci dcm dcr ddc ddd dde ddi ddm ddr ddz de- dec ded dee dei dem der dez di- dic did die dii dim dir diz dmc dmd dme dmi dmm dmr dmz drc drd dre dri drm drr drz dzd dze dzi dzr ec- ecc ecd ece eci ecm ecr ed- edc edd ede edi edm edr eec eed eee eem eer eic eid eie eii eim eir em- emc emd eme emi emm emr erc erd ere eri erm err erz eze ezr ezz i-d icc icd ice ici icm icr icz idc idd ide idi idm idr ie- iec ied iee iei iem ier iic iid iie iii iim iir im- imc imd ime imi imm imz ir- irc ird ire iri irm irr ize izi izm izz m-r mc- mcc mcd mce mci mcm mcr mcz mdc mdd mde mdi mdm mdr mdz mec med mee mei mem mer mez mi- mic mid mie mii mim mir miz mmc mmd mme mmi mmm mmr mmz mrc mrd mre mri mrm mrr mrz mzi mzm rcc rcd rce rci rcm rcr rdc rdd rde rdi rdm rdr re- rec red ree rei rem rer rez ric rid rie rii rim rir riz rmc rmd rme rmi rmm rmr rrc rrd rri rrm rrr rze rzm zce zdm zec zed zee zem zer zez zid zie zim zir ziz zmc zmd zmm zzr zzz