bbb bbd bbe bbi bbl bdb bdd bde bdi bdl bdz be- beb bed bee bei bel bez bi- bib bid bie bii bil biz blb bld ble bli bll blz bzd bze bzz dbb dbd dbe dbi dbl dbz ddb ddd dde ddi ddl ddz de- deb ded dee dei del dez di- dib did die dii dil diz dl- dlb dld dle dli dll dzb dzd dze dzi ebb ebd ebe ebi ebl ed- edb edd ede edi edl eeb eed eee eel eib eid eie eii eil elb eld ele eli ell elz eze ezz i-d ibb ibd ibe ibi ibl ibz idb idd ide idi idl ie- ied iee iei iel iib iid iie iii iil il- ilb ild ile ili ill ilz ize izi izz lbb lbd lbe lbi lbl ldb ldd lde ldi ldl leb led lee lei lel lez lib lid lie lii lil liz llb lld lle lli lll llz lzi zbb zbl zeb zed zee zel zez zib zid zie zil ziz zzz