-er -ic bbb bbc bbd bbe bbi bbl bbm bbr bcb bcc bcd bce bci bcl bcm bcr bdb bdc bdd bde bdi bdl bdm bdr be- beb bec bed bee bei bel bem ber bi- bib bic bid bie bii bil bim bir blb blc bld ble bli bll blm blr bmb bmc bmd bme bmi bml bmm bmr brb brd bre bri brl brm brr c-- cbb cbc cbd cbe cbi cbl cbm cbr ccb ccc ccd cce cci ccl ccm ccr cdb cdc cdd cde cdi cdl cdm cdr ce- ceb cec ced cee cei cel cem cer ci- cib cic cid cie cii cil cim cir cl- clb clc cld cle cli cll clm clr cmb cmc cmd cme cmi cml cmm cmr crb crc crd cre cri crl crm crr dbb dbc dbd dbe dbi dbl dbm dbr dcb dcc dcd dce dci dcl dcm dcr ddb ddc ddd dde ddi ddl ddm ddr de- deb dec ded dee dei del dem der di- dib dic did die dii dil dim dir dl- dlb dlc dld dle dli dll dlm dlr dmb dmc dmd dme dmi dml dmm dmr drb drc drd dre dri drl drm drr ebb ebc ebd ebe ebi ebl ebm ebr ec- ecb ecc ecd ece eci ecl ecm ecr ed- edb edc edd ede edi edl edm edr eeb eec eed eee eel eem eer eib eic eid eie eii eil eim eir elb elc eld ele eli ell elm elr em- emb emc emd eme emi eml emm emr erb erc erd ere eri erl erm err i-d ibb ibc ibd ibe ibi ibl ibm ibr icb icc icd ice ici icl icm icr idb idc idd ide idi idl idm idr ie- iec ied iee iei iel iem ier iib iic iid iie iii iil iim iir il- ilb ilc ild ile ili ill ilm ilr im- imb imc imd ime imi iml imm ir- irb irc ird ire iri irl irm irr lbb lbc lbd lbe lbi lbl lbm lbr lcb lcc lcd lce lci lcl lcm lcr ldb ldc ldd lde ldi ldl ldm ldr leb lec led lee lei lel lem ler lib lic lid lie lii lil lim lir llb llc lld lle lli lll llm llr lmb lmc lmd lme lmi lml lmm lmr lrb lrc lrd lri lrm lrr m-r mbb mbc mbd mbe mbi mbl mbm mbr mc- mcb mcc mcd mce mci mcl mcm mcr mdb mdc mdd mde mdi mdl mdm mdr meb mec med mee mei mel mem mer mi- mib mic mid mie mii mil mim mir mlb mlc mld mle mli mll mlm mlr mmb mmc mmd mme mmi mml mmm mmr mrb mrc mrd mre mri mrl mrm mrr rbb rbc rbd rbe rbi rbl rbm rbr rcb rcc rcd rce rci rcl rcm rcr rdb rdc rdd rde rdi rdl rdm rdr re- reb rec red ree rei rel rem rer rib ric rid rie rii ril rim rir rlc rld rle rli rll rlm rlr rmb rmc rmd rme rmi rml rmm rmr rrb rrc rrd rri rrl rrm rrr