-ol bbb bbd bbe bbi bbl bbo bbt bdb bdd bde bdi bdl bdo bdt be- beb bed bee bei bel beo bet bi- bib bid bie bii bil bio bit blb bld ble bli bll blo blt bob bod boe boi bol boo bot btb btd bte bti btl bto btt dbb dbd dbe dbi dbl dbo dbt ddb ddd dde ddi ddl ddo ddt de- deb ded dee dei del deo det di- dib did die dii dil dio dit dl- dlb dld dle dli dll dlo dlt dob dod doe doi dol doo dot dtb dtd dte dti dtl dto dtt ebb ebd ebe ebi ebl ebo ebt ed- edb edd ede edi edl edo edt eeb eed eee eel eeo eet eib eid eie eii eil eio eit elb eld ele eli ell elo elt eo- eob eod eoe eoi eol eoo eot etb etd ete eti etl eto ett i-d ibb ibd ibe ibi ibl ibo ibt idb idd ide idi idl ido idt ie- ied iee iei iel iet iib iid iie iii iil iio iit il- ilb ild ile ili ill ilo ilt io- iob iod ioe ioi iol ioo iot itb itd ite iti itl ito itt lbb lbd lbe lbi lbl lbo lbt ldb ldd lde ldi ldl ldo ldt leb led lee lei lel leo let lib lid lie lii lil lio lit llb lld lle lli lll llo llt lob lod loe loi lol loo lot ltb ltd lte lti ltl lto ltt o-i ob- obb obd obe obi obl obo obt odb odd ode odi odl odo odt oeb oed oee oei oel oeo oet oib oid oie oii oil oio oit olb old ole oli oll olo olt oo- oob ood ooi ool ooo oot ot- otb otd ote oti otl oto ott tbb tbd tbe tbi tbl tbo tbt tdb tdd tde tdi tdl tdo tdt te- teb ted tee tei tel teo tet tib tid tie tii til tio tit tld tle tli tll tlo tlt to- tob tod toe toi tol too tot ttb ttd tte tti ttl tto ttt