-ol bbb bbd bbe bbi bbl bbo bdb bdd bde bdi bdl bdo bdv be- beb bed bee bei bel beo bev bi- bib bid bie bii bil bio biv blb bld ble bli bll blo blv bob bod boe boi bol boo bov bvb bvd bve bvi bvl bvo bvv dbb dbd dbe dbi dbl dbo dbv ddb ddd dde ddi ddl ddo de- deb ded dee dei del deo dev di- dib did die dii dil dio div dl- dlb dld dle dli dll dlo dlv dob dod doe doi dol doo dov dvb dvd dve dvi dvl ebb ebd ebe ebi ebl ebo ebv ed- edb edd ede edi edl edo eeb eed eee eel eeo eev eib eid eie eii eil eio eiv elb eld ele eli ell elo elv eo- eob eod eoe eoi eol eoo evb evd eve evi evl evo evv i-d i-v ibb ibd ibe ibi ibl ibo ibv idb idd ide idi idl ido idv ie- ied iee iei iel iev iib iid iie iii iil iio il- ilb ild ile ili ill ilo ilv io- iob iod ioe ioi iol ioo iov ivb ivd ive ivi ivl ivo ivv lbb lbd lbe lbi lbl lbo lbv ldb ldd lde ldi ldl ldo ldv leb led lee lei lel leo lev lib lid lie lii lil lio liv llb lld lle lli lll llo llv lob lod loe loi lol loo lov lvb lvd lve lvi lvl lvv o-i ob- obb obd obe obi obl obo obv odb odd ode odi odl odo odv oeb oed oee oei oel oeo oib oid oie oii oil oio oiv olb old ole oli oll olo oo- oob ood ooi ool ooo oov ov- ovb ovd ove ovi ovl ovo ovv v-e vbd vbi vbl vbo vbv vdb vdd vde vdi vdl vdo vdv veb ved vee vei vel veo vi- vib vid vie vii vil vio viv vl- vlb vld vle vll vlo vlv vob vod voe voi vol voo vov vvb vvi vvo vvv