b-u bbb bbd bbe bbf bbi bbl bbn bbs bbu bdb bdd bde bdf bdi bdl bds bdu be- beb bed bee bef bei bel ben bes beu bfb bfd bfe bff bfi bfl bfn bfs bfu bi- bib bid bie bif bii bil bin bis biu blb bld ble blf bli bll bln bls blu bnb bnd bne bnf bni bnl bnn bns bnu bsb bsd bse bsf bsi bsl bsn bss bsu bub bud bue buf bui bul bun bus buu dbb dbd dbe dbf dbi dbl dbn dbs dbu ddb ddd dde ddf ddi ddl ddn dds ddu de- deb ded dee def dei del den des deu dfb dfd dfe dff dfi dfl dfn dfs dfu di- dib did die dif dii dil din dis diu dl- dlb dld dle dlf dli dll dls dlu dnb dnd dne dnf dni dnl dnn dns dsb dsd dse dsf dsi dsl dsn dss dsu dub dud due duf dui dul dun dus ebb ebd ebe ebf ebi ebl ebn ebs ebu ed- edb edd ede edf edi edl edn eds edu eeb eed eee eef eel een ees ef- efb efd efe eff efi efl efs eib eid eie eif eii eil ein eis eiu elb eld ele elf eli ell eln els elu en- enb end ene enf eni enl enn ens enu es- esb esd ese esf esi esl esn ess esu eu- eub eud eue euf eui eul eun eus fbb fbd fbe fbf fbi fbl fbn fbs fbu fdb fdd fde fdf fdi fdl fdn fds fdu feb fed fee fef fei fel fen fes feu ffd ffe fff ffi ffl ffn ffs ffu fib fid fie fif fii fil fin fis fiu flb fld fle flf fli fll fln fls flu fnb fnd fne fnf fni fnl fnn fns fnu fsb fsd fse fsf fsi fsl fsn fss fsu fub fud fue fuf fui ful fun fus fuu i-d i-f ibb ibd ibe ibf ibi ibl ibn ibs ibu idb idd ide idf idi idl idn ids idu ie- ied iee ief iei iel ien ies ifb ifd ife iff ifi ifl ifn ifs ifu iib iid iie iif iii iil iin iis iiu il- ilb ild ile ilf ili ill iln ils ilu in- inb ind ine inf ini inl inn ins inu is- isb isd ise isf isi isl isn iss isu iu- iub iud iue iui ius lbb lbd lbe lbf lbi lbl lbs lbu ldb ldd lde ldf ldi ldl ldn lds ldu leb led lee lef lei lel len les leu lfb lfd lfe lff lfi lfl lfn lfs lfu lib lid lie lif lii lil lin lis liu llb lld lle llf lli lll lln lls llu lnb lnd lne lni lnl lnn lns lnu lsb lsd lse lsf lsi lsl lsn lss lsu lub lud lue luf lui lul lun lus luu n-i nbb nbd nbe nbf nbi nbl nbn nbs nbu ndb ndd nde ndf ndi ndl ndn nds ndu ne- neb ned nee nef nei nel nen nes neu nfb nfd nfe nff nfi nfl nfn nfs nfu nib nid nie nif nii nil nin nis niu nlb nld nle nlf nli nll nln nls nlu nnb nne nnf nni nnl nnn nns nnu nsb nsd nse nsf nsi nsl nsn nss nsu nub nud nue nui nul nun nus nuu sbb sbd sbe sbf sbi sbl sbn sbs sbu sdb sdd sde sdf sdi sdl sdn sds sdu se- seb sed see sef sei sel sen ses seu sfb sfd sfe sff sfi sfl sfn sfs sfu sib sid sie sif sii sil sin sis siu slb sld sle slf sli sll sln sls slu snb snd sne snf sni snl snn sns snu ss- ssb ssd sse ssf ssi ssl ssn sss ssu sub sud sue suf sui sul sun sus suu ubb ube ubf ubi ubl ubn ubs ubu udb udd ude udf udi udl udn uds udu ueb ued uee uef uei uel uen ues ufd ufe uff ufi ufl ufn ufs ufu uib uid uie uif uii uil uin uis uiu ulb uld ule ulf uli ull uln uls ulu un- unb und une unf uni unl unn uns unu usb usd use usf usi usl usn uss usu uue uun uus uuu