-er -ic bbb bbc bbd bbe bbi bbm bbr bcb bcc bcd bce bci bcm bcr bdb bdc bdd bde bdi bdm bdr be- beb bec bed bee bei bem ber bi- bib bic bid bie bii bim bir bmb bmc bmd bme bmi bmm bmr brb brd bre bri brm brr c-- cbb cbc cbd cbe cbi cbm cbr ccb ccc ccd cce cci ccm ccr cdb cdc cdd cde cdi cdm cdr ce- ceb cec ced cee cei cem cer ci- cib cic cid cie cii cim cir cmb cmc cmd cme cmi cmm cmr crb crc crd cre cri crm crr dbb dbc dbd dbe dbi dbm dbr dcb dcc dcd dce dci dcm dcr ddb ddc ddd dde ddi ddm ddr de- deb dec ded dee dei dem der di- dib dic did die dii dim dir dmb dmc dmd dme dmi dmm dmr drb drc drd dre dri drm drr ebb ebc ebd ebe ebi ebm ebr ec- ecb ecc ecd ece eci ecm ecr ed- edb edc edd ede edi edm edr eeb eec eed eee eem eer eib eic eid eie eii eim eir em- emb emc emd eme emi emm emr erb erc erd ere eri erm err i-d ibb ibc ibd ibe ibi ibm ibr icb icc icd ice ici icm icr idb idc idd ide idi idm idr ie- iec ied iee iei iem ier iib iic iid iie iii iim iir im- imb imc imd ime imi imm ir- irb irc ird ire iri irm irr m-r mbb mbc mbd mbe mbi mbm mbr mc- mcb mcc mcd mce mci mcm mcr mdb mdc mdd mde mdi mdm mdr meb mec med mee mei mem mer mi- mib mic mid mie mii mim mir mmb mmc mmd mme mmi mmm mmr mrb mrc mrd mre mri mrm mrr rbb rbc rbd rbe rbi rbm rbr rcb rcc rcd rce rci rcm rcr rdb rdc rdd rde rdi rdm rdr re- reb rec red ree rei rem rer rib ric rid rie rii rim rir rmb rmc rmd rme rmi rmm rmr rrb rrc rrd rri rrm rrr