-ol bbb bbd bbe bbl bbm bbo bbt bdb bdd bde bdl bdm bdo bdt be- beb bed bee bel bem beo bet blb bld ble bll blm blo blt bmb bmd bme bml bmm bmo bmt bob bod boe bol bom boo bot btb btd bte btl btm bto btt dbb dbd dbe dbl dbm dbo dbt ddb ddd dde ddl ddm ddo ddt de- deb ded dee del dem deo det dl- dlb dld dle dll dlm dlo dlt dmb dmd dme dml dmm dmo dmt dob dod doe dol dom doo dot dtb dtd dte dtl dtm dto dtt ebb ebd ebe ebl ebm ebo ebt ed- edb edd ede edl edm edo edt eeb eed eee eel eem eeo eet elb eld ele ell elm elo elt em- emb emd eme eml emm emo emt eo- eob eod eoe eol eom eoo eot etb etd ete etl etm eto ett lbb lbd lbe lbl lbm lbo lbt ldb ldd lde ldl ldm ldo ldt leb led lee lel lem leo let llb lld lle lll llm llo llt lmb lmd lme lml lmm lmo lmt lob lod loe lol lom loo lot ltb ltd lte ltl ltm lto ltt m-o mbb mbd mbe mbl mbm mbo mbt mdb mdd mde mdl mdm mdo mdt meb med mee mel mem meo met mlb mld mle mll mlm mlo mlt mmb mmd mme mml mmm mmo mmt mob mod moe mol mom moo mot mtb mtd mte mtl mtm mto mtt ob- obb obd obe obl obm obo obt odb odd ode odl odm odo odt oeb oed oee oel oem oeo oet olb old ole oll olm olo olt om- omb omd ome oml omm omo omt oo- oob ood ool oom ooo oot ot- otb otd ote otl otm oto ott tbb tbd tbe tbl tbm tbo tbt tdb tdd tde tdl tdm tdo tdt te- teb ted tee tel tem teo tet tld tle tll tlm tlo tlt tmb tmd tme tml tmm tmo tmt to- tob tod toe tol tom too tot ttb ttd tte ttl ttm tto ttt