bbb bbd bbe bbi bbl bdb bdd bde bdi bdl bdv be- beb bed bee bei bel bev bi- bib bid bie bii bil biv blb bld ble bli bll blv bvb bvd bve bvi bvl bvv dbb dbd dbe dbi dbl dbv ddb ddd dde ddi ddl de- deb ded dee dei del dev di- dib did die dii dil div dl- dlb dld dle dli dll dlv dvb dvd dve dvi dvl ebb ebd ebe ebi ebl ebv ed- edb edd ede edi edl eeb eed eee eel eev eib eid eie eii eil eiv elb eld ele eli ell elv evb evd eve evi evl evv i-d i-v ibb ibd ibe ibi ibl ibv idb idd ide idi idl idv ie- ied iee iei iel iev iib iid iie iii iil il- ilb ild ile ili ill ilv ivb ivd ive ivi ivl ivv lbb lbd lbe lbi lbl lbv ldb ldd lde ldi ldl ldv leb led lee lei lel lev lib lid lie lii lil liv llb lld lle lli lll llv lvb lvd lve lvi lvl lvv v-e vbd vbi vbl vbv vdb vdd vde vdi vdl vdv veb ved vee vei vel vi- vib vid vie vii vil viv vl- vlb vld vle vll vlv vvb vvi vvv