-ol b-u bbb bbd bbe bbl bbo bbt bbu bdb bdd bde bdl bdo bdt bdu be- beb bed bee bel beo bet beu blb bld ble bll blo blt blu bob bod boe bol boo bot bou btb btd bte btl bto btt btu bub bud bue bul buo but buu dbb dbd dbe dbl dbo dbt dbu ddb ddd dde ddl ddo ddt ddu de- deb ded dee del deo det deu dl- dlb dld dle dll dlo dlt dlu dob dod doe dol doo dot dou dtb dtd dte dtl dto dtt dtu dub dud due dul duo dut ebb ebd ebe ebl ebo ebt ebu ed- edb edd ede edl edo edt edu eeb eed eee eel eeo eet elb eld ele ell elo elt elu eo- eob eod eoe eol eoo eot eou etb etd ete etl eto ett etu eu- eub eud eue eul eut lbb lbd lbe lbl lbo lbt lbu ldb ldd lde ldl ldo ldt ldu leb led lee lel leo let leu llb lld lle lll llo llt llu lob lod loe lol loo lot lou ltb ltd lte ltl lto ltt ltu lub lud lue lul luo lut luu ob- obb obd obe obl obo obt obu odb odd ode odl odo odt odu oeb oed oee oel oeo oet olb old ole oll olo olt olu oo- oob ood ool ooo oot ot- otb otd ote otl oto ott otu ou- oud oue oul ouo out tbb tbd tbe tbl tbo tbt tbu tdb tdd tde tdl tdo tdt tdu te- teb ted tee tel teo tet teu tld tle tll tlo tlt tlu to- tob tod toe tol too tot tou ttb ttd tte ttl tto ttt ttu tub tud tue tul tuo tut tuu ubb ube ubl ubo ubt ubu udb udd ude udl udo udt udu ueb ued uee uel uet ulb uld ule ull ulo ult ulu uob uod uoe uol uoo uot utb utd ute utl uto utt utu uue uut uuu