-er -ol bbb bbd bbe bbl bbm bbo bbr bbs bdb bdd bde bdl bdm bdo bdr bds bdv be- beb bed bee bel bem beo ber bes bev blb bld ble bll blm blo blr bls blv bmb bmd bme bml bmm bmo bmr bms bmv bob bod boe bol bom boo bor bos bov brb brd bre brl brm bro brr brs brv bsb bsd bse bsl bsm bso bsr bss bsv bvb bvd bve bvl bvm bvo bvr bvs bvv dbb dbd dbe dbl dbm dbo dbr dbs dbv ddb ddd dde ddl ddm ddo ddr dds de- deb ded dee del dem deo der des dev dl- dlb dld dle dll dlm dlo dlr dls dlv dmb dmd dme dml dmm dmo dmr dms dmv dob dod doe dol dom doo dor dos dov drb drd dre drl drm dro drr drs drv dsb dsd dse dsl dsm dso dsr dss dsv dvb dvd dve dvl dvm dvr dvs ebb ebd ebe ebl ebm ebo ebr ebs ebv ed- edb edd ede edl edm edo edr eds eeb eed eee eel eem eeo eer ees eev elb eld ele ell elm elo elr els elv em- emb emd eme eml emm emo emr ems emv eo- eob eod eoe eol eom eoo eor eos erb erd ere erl erm ero err ers erv es- esb esd ese esl esm eso esr ess esv evb evd eve evl evm evo evr evs evv lbb lbd lbe lbl lbm lbo lbr lbs lbv ldb ldd lde ldl ldm ldo ldr lds ldv leb led lee lel lem leo ler les lev llb lld lle lll llm llo llr lls llv lmb lmd lme lml lmm lmo lmr lms lmv lob lod loe lol lom loo lor los lov lrb lrd lrm lro lrr lrs lrv lsb lsd lse lsl lsm lso lsr lss lsv lvb lvd lve lvl lvm lvr lvs lvv m-o m-r m-v mbb mbd mbe mbl mbm mbo mbr mbs mbv mdb mdd mde mdl mdm mdo mdr mds mdv meb med mee mel mem meo mer mes mev mlb mld mle mll mlm mlo mlr mls mlv mmb mmd mme mml mmm mmo mmr mms mmv mob mod moe mol mom moo mor mos mov mrb mrd mre mrl mrm mro mrr mrs mrv msb msd mse msl msm mso msr mss msv mvb mvd mve mvl mvm mvo mvr mvs mvv ob- obb obd obe obl obm obo obr obs obv odb odd ode odl odm odo odr ods odv oeb oed oee oel oem oeo oer oes olb old ole oll olm olo ols om- omb omd ome oml omm omo omr oms omv oo- oob ood ool oom ooo oor oos oov or- orb ord ore orl orm oro orr ors orv os- osb osd ose osl osm oso osr oss osv ov- ovb ovd ove ovl ovo ovs ovv rbb rbd rbe rbl rbm rbo rbr rbs rdb rdd rde rdl rdm rdo rdr rds rdv re- reb red ree rel rem reo rer res rev rld rle rll rlm rlo rlr rls rmb rmd rme rml rmm rmo rmr rms rmv rob rod roe rol rom roo ror ros rov rrb rrd rrl rrm rrr rrs rsb rsd rse rsl rsm rso rsr rss rsv rvb rvd rve rvl rvm rvo rvr rvs rvv sbb sbd sbe sbl sbm sbo sbr sbs sbv sdb sdd sde sdl sdm sdo sdr sds sdv se- seb sed see sel sem seo ser ses sev slb sld sle sll slm slo slr sls slv smb smd sme sml smm smo smr sms smv sob sod soe sol som soo sor sos sov sr- srb srd sre srl srm sro srr srs srv ss- ssb ssd sse ssl ssm sso ssr sss ssv svb svd sve svl svm svo svr svs svv v-e vbd vbl vbm vbo vbr vbs vbv vdb vdd vde vdl vdm vdo vdr vds vdv veb ved vee vel vem veo ver ves vl- vlb vld vle vll vlm vlo vls vlv vm- vmd vmm vmo vmr vob vod voe vol vom voo vor vos vov vrb vrd vre vrm vrr vrs vsb vsd vse vsl vsm vso vsr vss vsv vvb vvm vvo vvr vvs vvv