-er -ol bbb bbd bbe bbi bbk bbl bbm bbo bbr bdb bdd bde bdi bdk bdl bdm bdo bdr be- beb bed bee bei bek bel bem beo ber bi- bib bid bie bii bik bil bim bio bir bkb bke bkk bkl bkm bko bkr blb bld ble bli blk bll blm blo blr bmb bmd bme bmi bmk bml bmm bmo bmr bob bod boe boi bok bol bom boo bor brb brd bre bri brk brl brm bro brr dbb dbd dbe dbi dbk dbl dbm dbo dbr ddb ddd dde ddi ddk ddl ddm ddo ddr de- deb ded dee dei dek del dem deo der di- dib did die dii dik dil dim dio dir dkb dke dki dkk dkl dkm dko dkr dl- dlb dld dle dli dlk dll dlm dlo dlr dmb dmd dme dmi dmk dml dmm dmo dmr dob dod doe doi dok dol dom doo dor drb drd dre dri drk drl drm dro drr ebb ebd ebe ebi ebk ebl ebm ebo ebr ed- edb edd ede edi edk edl edm edo edr eeb eed eee eek eel eem eeo eer eib eid eie eii eik eil eim eio eir ekb ekd eke eki ekl eko ekr elb eld ele eli elk ell elm elo elr em- emb emd eme emi emk eml emm emo emr eo- eob eod eoe eoi eok eol eom eoo eor erb erd ere eri erk erl erm ero err i-d ibb ibd ibe ibi ibk ibl ibm ibo ibr idb idd ide idi idk idl idm ido idr ie- ied iee iei iek iel iem ier iib iid iie iii iil iim iio iir ikb ike iki ikk ikl iko ikr il- ilb ild ile ili ilk ill ilm ilo ilr im- imb imd ime imi iml imm imo io- iob iod ioe ioi iol iom ioo ior ir- irb ird ire iri irk irl irm iro irr kbb kbd kbe kbi kbk kbl kbm kbo kbr kdb kde kdk kdl kdm kdo kdr ke- keb ked kee kei kek kel kem keo ker kib kid kie kii kik kil kim kio kir kkb kke kki kkk kkl kkm kkr kl- klb kld kli klm klo klr kmb kmd kme kmi kmk kml kmm kmo kob kod koe koi kok kol kom koo kor krd kri krk krl kro krr lbb lbd lbe lbi lbk lbl lbm lbo lbr ldb ldd lde ldi ldk ldl ldm ldo ldr leb led lee lei lek lel lem leo ler lib lid lie lii lik lil lim lio lir lkb lkl lkr llb lld lle lli llk lll llm llo llr lmb lmd lme lmi lmk lml lmm lmo lmr lob lod loe loi lok lol lom loo lor lrb lrd lri lrk lrm lro lrr m-o m-r mbb mbd mbe mbi mbk mbl mbm mbo mbr mdb mdd mde mdi mdk mdl mdm mdo mdr meb med mee mei mek mel mem meo mer mi- mib mid mie mii mik mil mim mio mir mkb mkd mke mkk mkl mkm mko mkr mlb mld mle mli mlk mll mlm mlo mlr mmb mmd mme mmi mmk mml mmm mmo mmr mob mod moe moi mok mol mom moo mor mrb mrd mre mri mrk mrl mrm mro mrr o-i ob- obb obd obe obi obk obl obm obo obr odb odd ode odi odl odm odo odr oeb oed oee oei oel oem oeo oer oib oid oie oii oik oil oim oio oir okb okd oke oki okk okl oko okr olb old ole oli olk oll olm olo om- omb omd ome omi oml omm omo omr oo- oob ood ooi ook ool oom ooo oor or- orb ord ore ori ork orl orm oro orr rbb rbd rbe rbi rbk rbl rbm rbo rbr rdb rdd rde rdi rdl rdm rdo rdr re- reb red ree rei rek rel rem reo rer rib rid rie rii rik ril rim rio rir rkb rke rkk rkm rko rld rle rli rll rlm rlo rlr rmb rmd rme rmi rml rmm rmo rmr rob rod roe roi rok rol rom roo ror rrb rrd rri rrk rrl rrm rrr