b-u bbb bbd bbe bbf bbg bbi bbl bbn bbu bdb bdd bde bdf bdg bdi bdl bdu be- beb bed bee bef beg bei bel ben beu bfb bfd bfe bff bfg bfi bfl bfn bfu bgb bgd bge bgf bgg bgi bgl bgn bgu bi- bib bid bie bif big bii bil bin biu blb bld ble blf blg bli bll bln blu bnb bnd bne bnf bng bni bnl bnn bnu bub bud bue buf bug bui bul bun buu dbb dbd dbe dbf dbg dbi dbl dbn dbu ddb ddd dde ddf ddg ddi ddl ddn ddu de- deb ded dee def deg dei del den deu dfb dfd dfe dff dfg dfi dfl dfn dfu dgd dge dgf dgg dgi dgl dgn dgu di- dib did die dif dig dii dil din diu dl- dlb dld dle dlf dlg dli dll dlu dnb dnd dne dnf dng dni dnl dnn dub dud due duf dug dui dul dun ebb ebd ebe ebf ebg ebi ebl ebn ebu ed- edb edd ede edf edg edi edl edn edu eeb eed eee eef eeg eel een ef- efb efd efe eff efg efi efl egb egd ege egf egg egi egl egn egu eib eid eie eif eig eii eil ein eiu elb eld ele elf elg eli ell eln elu en- enb end ene enf eng eni enl enn enu eu- eub eud eue euf eug eui eul eun fbb fbd fbe fbf fbg fbi fbl fbn fbu fdb fdd fde fdf fdg fdi fdl fdn fdu feb fed fee fef feg fei fel fen feu ffd ffe fff ffg ffi ffl ffn ffu fgb fgd fge fgf fgg fgi fgl fgn fib fid fie fif fig fii fil fin fiu flb fld fle flf flg fli fll fln flu fnb fnd fne fnf fng fni fnl fnn fnu fub fud fue fuf fug fui ful fun fuu g-d gbd gbe gbf gbg gbi gbl gbn gbu gdb gdd gde gdf gdi gdl gdn gdu ge- geb ged gee gef geg gei gel gen geu gfb gfd gfe gff gfi gfl ggb ggd ggg ggi ggn ggu gib gid gie gif gig gii gil gin giu glb gld gle glf glg gli gll gln glu gnb gnd gne gnf gni gnl gnn gnu gu- gub gud gue guf gug gui gul gun guu i-d i-f ibb ibd ibe ibf ibg ibi ibl ibn ibu idb idd ide idf idg idi idl idn idu ie- ied iee ief ieg iei iel ien ifb ifd ife iff ifg ifi ifl ifn ifu igb igd ige igf igg igi igl ign igu iib iid iie iif iii iil iin iiu il- ilb ild ile ilf ilg ili ill iln ilu in- inb ind ine inf ing ini inl inn inu iu- iub iud iue iug iui lbb lbd lbe lbf lbg lbi lbl lbu ldb ldd lde ldf ldg ldi ldl ldn ldu leb led lee lef leg lei lel len leu lfb lfd lfe lff lfg lfi lfl lfn lfu lgb lgd lge lgf lgg lgi lgl lgn lgu lib lid lie lif lig lii lil lin liu llb lld lle llf llg lli lll lln llu lnb lnd lne lng lni lnl lnn lnu lub lud lue luf lug lui lul lun luu n-i nbb nbd nbe nbf nbg nbi nbl nbn nbu ndb ndd nde ndf ndg ndi ndl ndn ndu ne- neb ned nee nef neg nei nel nen neu nfb nfd nfe nff nfi nfl nfn nfu ngb ngd nge ngf ngg ngi ngl ngn ngu nib nid nie nif nig nii nil nin niu nlb nld nle nlf nlg nli nll nln nlu nnb nne nnf nng nni nnl nnn nnu nub nud nue nug nui nul nun nuu ubb ube ubf ubg ubi ubl ubn ubu udb udd ude udf udg udi udl udn udu ueb ued uee uef ueg uei uel uen ufd ufe uff ufg ufi ufl ufn ufu ugb uge ugf ugg ugi ugl ugn ugu uib uid uie uif uig uii uil uin uiu ulb uld ule ulf ulg uli ull uln ulu un- unb und une unf ung uni unl unn unu uue uug uun uuu