b-u bbb bbd bbe bbf bbi bbq bbu bdb bdd bde bdf bdi bdq bdu bdz be- beb bed bee bef bei beq beu bez bfb bfd bfe bff bfi bfq bfu bfz bi- bib bid bie bif bii biu biz bqd bqe bub bud bue buf bui buu buz bzd bze bzf bzu bzz dbb dbd dbe dbf dbi dbq dbu dbz ddb ddd dde ddf ddi ddq ddu ddz de- deb ded dee def dei deq deu dez dfb dfd dfe dff dfi dfq dfu dfz di- dib did die dif dii diq diu diz dqe dub dud due duf dui duz dzb dzd dze dzi dzu ebb ebd ebe ebf ebi ebq ebu ed- edb edd ede edf edi edu eeb eed eee eef ef- efb efd efe eff efi eib eid eie eif eii eiu eqe eqf eqq equ eu- eub eud eue euf eui eze ezf ezz fbb fbd fbe fbf fbi fbu fdb fdd fde fdf fdi fdu feb fed fee fef fei feu fez ffd ffe fff ffi ffu ffz fib fid fie fif fii fiq fiu fiz fub fud fue fuf fui fuu fzd i-d i-f ibb ibd ibe ibf ibi ibu ibz idb idd ide idf idi idq idu ie- ied iee ief iei ifb ifd ife iff ifi ifu ifz iib iid iie iif iii iiu iqd iqe iqu iu- iub iud iue iui iuz ize izi izu izz qbd qbe qbq qdb qed qee qef qfb qfd qfe qff qfi qid qie qiu qiz qqq qqu qu- qud que qui ubb ube ubf ubi ubu udb udd ude udf udi udu ueb ued uee uef uei ufd ufe uff ufi ufu uib uid uie uif uii uiq uiu uue uuu uzb uzi uzu zbb zdf zeb zed zee zef zeq zez zfd zib zid zie zif ziz zub zud zui zuz zzz