b-u bbb bbd bbe bbi bbl bbt bbu bdb bdd bde bdi bdl bdt bdu bdz be- beb bed bee bei bel bet beu bez bi- bib bid bie bii bil bit biu biz blb bld ble bli bll blt blu blz btb btd bte bti btl btt btu btz bub bud bue bui bul but buu buz bzd bze bzu bzz dbb dbd dbe dbi dbl dbt dbu dbz ddb ddd dde ddi ddl ddt ddu ddz de- deb ded dee dei del det deu dez di- dib did die dii dil dit diu diz dl- dlb dld dle dli dll dlt dlu dtb dtd dte dti dtl dtt dtu dtz dub dud due dui dul dut duz dzb dzd dze dzi dzu ebb ebd ebe ebi ebl ebt ebu ed- edb edd ede edi edl edt edu eeb eed eee eel eet eib eid eie eii eil eit eiu elb eld ele eli ell elt elu elz etb etd ete eti etl ett etu etz eu- eub eud eue eui eul eut eze ezz i-d ibb ibd ibe ibi ibl ibt ibu ibz idb idd ide idi idl idt idu ie- ied iee iei iel iet iib iid iie iii iil iit iiu il- ilb ild ile ili ill ilt ilu ilz itb itd ite iti itl itt itu itz iu- iub iud iue iui iut iuz ize izi izu izz lbb lbd lbe lbi lbl lbt lbu ldb ldd lde ldi ldl ldt ldu leb led lee lei lel let leu lez lib lid lie lii lil lit liu liz llb lld lle lli lll llt llu llz ltb ltd lte lti ltl ltt ltu ltz lub lud lue lui lul lut luu luz lzi lzu tbb tbd tbe tbi tbl tbt tbu tbz tdb tdd tde tdi tdl tdt tdu te- teb ted tee tei tel tet teu tez tib tid tie tii til tit tiu tiz tld tle tli tll tlt tlu tlz ttb ttd tte tti ttl ttt ttu tub tud tue tui tul tut tuu tuz tzd tze tzu ubb ube ubi ubl ubt ubu udb udd ude udi udl udt udu ueb ued uee uei uel uet uib uid uie uii uil uit uiu ulb uld ule uli ull ult ulu utb utd ute uti utl utt utu utz uue uut uuu uzb uzi uzu zbb zbl zbt zdt zeb zed zee zel zet zez zib zid zie zil zit ziz zlt zte ztl zub zud zui zul zut zuz zzt zzz