b-u bbb bbd bbe bbi bbl bbu bdb bdd bde bdi bdl bdu bdz be- beb bed bee bei bel beu bez bi- bib bid bie bii bil biu biz blb bld ble bli bll blu blz bub bud bue bui bul buu buz bzd bze bzu bzz dbb dbd dbe dbi dbl dbu dbz ddb ddd dde ddi ddl ddu ddz de- deb ded dee dei del deu dez di- dib did die dii dil diu diz dl- dlb dld dle dli dll dlu dub dud due dui dul duz dzb dzd dze dzi dzu ebb ebd ebe ebi ebl ebu ed- edb edd ede edi edl edu eeb eed eee eel eib eid eie eii eil eiu elb eld ele eli ell elu elz eu- eub eud eue eui eul eze ezz i-d ibb ibd ibe ibi ibl ibu ibz idb idd ide idi idl idu ie- ied iee iei iel iib iid iie iii iil iiu il- ilb ild ile ili ill ilu ilz iu- iub iud iue iui iuz ize izi izu izz lbb lbd lbe lbi lbl lbu ldb ldd lde ldi ldl ldu leb led lee lei lel leu lez lib lid lie lii lil liu liz llb lld lle lli lll llu llz lub lud lue lui lul luu luz lzi lzu ubb ube ubi ubl ubu udb udd ude udi udl udu ueb ued uee uei uel uib uid uie uii uil uiu ulb uld ule uli ull ulu uue uuu uzb uzi uzu zbb zbl zeb zed zee zel zez zib zid zie zil ziz zub zud zui zul zuz zzz