-er -ic a-a a-c a-i aaa aac aad aae aai aam aar ac- aca acc acd ace aci acm acr ad- ada adc add ade adi adm adr aea aec aed aee aei aem aer ai- aia aic aid aie aii aim air ama amc amd ame ami amm amr ar- ara arc ard are ari arm arr c-- caa cac cad cae cai cam car cca ccc ccd cce cci ccm ccr cda cdc cdd cde cdi cdm cdr ce- cea cec ced cee cei cem cer ci- cia cic cid cie cii cim cir cma cmc cmd cme cmi cmm cmr cra crc crd cre cri crm crr daa dac dad dae dai dam dar dca dcc dcd dce dci dcm dcr dda ddc ddd dde ddi ddm ddr de- dea dec ded dee dei dem der di- dia dic did die dii dim dir dma dmc dmd dme dmi dmm dmr dra drc drd dre dri drm drr eaa eac ead eae eai eam ear ec- eca ecc ecd ece eci ecm ecr ed- eda edc edd ede edi edm edr eea eec eed eee eem eer eia eic eid eie eii eim eir em- ema emc emd eme emi emm emr era erc erd ere eri erm err i-d ia- iaa iac iad iae iai iam iar ica icc icd ice ici icm icr ida idc idd ide idi idm idr ie- iea iec ied iee iei iem ier iia iic iid iie iii iim iir im- ima imc imd ime imi imm ir- ira irc ird ire iri irm irr m-r maa mac mad mae mai mam mar mc- mca mcc mcd mce mci mcm mcr mda mdc mdd mde mdi mdm mdr mea mec med mee mei mem mer mi- mia mic mid mie mii mim mir mma mmc mmd mme mmi mmm mmr mra mrc mrd mre mri mrm mrr ra- raa rac rad rae rai ram rar rca rcc rcd rce rci rcm rcr rda rdc rdd rde rdi rdm rdr re- rea rec red ree rei rem rer ria ric rid rie rii rim rir rma rmc rmd rme rmi rmm rmr rra rrc rrd rri rrm rrr