-er b-p bbb bbd bbe bbi bbl bbm bbp bbr bdb bdd bde bdi bdl bdm bdp bdr be- beb bed bee bei bel bem bep ber bi- bib bid bie bii bil bim bip bir blb bld ble bli bll blm blp blr bmb bmd bme bmi bml bmm bmp bmr bpb bpd bpe bpi bpl bpm bpp bpr brb brd bre bri brl brm brp brr dbb dbd dbe dbi dbl dbm dbp dbr ddb ddd dde ddi ddl ddm ddp ddr de- deb ded dee dei del dem dep der di- dib did die dii dil dim dip dir dl- dlb dld dle dli dll dlm dlp dlr dmb dmd dme dmi dml dmm dmp dmr dpb dpd dpe dpi dpl dpm dpp dpr drb drd dre dri drl drm drp drr ebb ebd ebe ebi ebl ebm ebp ebr ed- edb edd ede edi edl edm edp edr eeb eed eee eel eem eep eer eib eid eie eii eil eim eip eir elb eld ele eli ell elm elp elr em- emb emd eme emi eml emm emp emr ep- epb epd epe epi epl epm epp epr erb erd ere eri erl erm erp err i-d ibb ibd ibe ibi ibl ibm ibp ibr idb idd ide idi idl idm idp idr ie- ied iee iei iel iem iep ier iib iid iie iii iil iim iip iir il- ilb ild ile ili ill ilm ilp ilr im- imb imd ime imi iml imm imp ipb ipd ipe ipi ipl ipm ipp ipr ir- irb ird ire iri irl irm irp irr l-p lbb lbd lbe lbi lbl lbm lbp lbr ldb ldd lde ldi ldl ldm ldp ldr leb led lee lei lel lem lep ler lib lid lie lii lil lim lip lir llb lld lle lli lll llm llp llr lmb lmd lme lmi lml lmm lmp lmr lpb lpd lpe lpi lpl lpm lpp lpr lrb lrd lri lrm lrp lrr m-r mbb mbd mbe mbi mbl mbm mbp mbr mdb mdd mde mdi mdl mdm mdp mdr meb med mee mei mel mem mep mer mi- mib mid mie mii mil mim mip mir mlb mld mle mli mll mlm mlp mlr mmb mmd mme mmi mml mmm mmp mmr mpb mpd mpe mpi mpl mpm mpp mpr mrb mrd mre mri mrl mrm mrp mrr p-p pbb pbd pbe pbi pbl pbm pbp pbr pdb pdd pde pdi pdl pdm pdp pdr peb ped pee pei pel pem pep per pib pid pie pii pil pim pip pir plb pld ple pli pll plm plp plr pmb pmd pme pmi pml pmm pmp pmr ppb ppd ppe ppi ppl ppm ppp ppr prb prd pre pri prl prm prp prr rbb rbd rbe rbi rbl rbm rbp rbr rdb rdd rde rdi rdl rdm rdp rdr re- reb red ree rei rel rem rep rer rib rid rie rii ril rim rip rir rld rle rli rll rlm rlp rlr rmb rmd rme rmi rml rmm rmp rmr rpb rpd rpe rpi rpl rpm rpp rpr rrb rrd rri rrl rrm rrp rrr