-er b-u bbb bbd bbe bbf bbi bbk bbl bbn bbr bbs bbu bdb bdd bde bdf bdi bdk bdl bdr bds bdu be- beb bed bee bef bei bek bel ben ber bes beu bfb bfd bfe bff bfi bfl bfn bfr bfs bfu bi- bib bid bie bif bii bik bil bin bir bis biu bkb bke bkf bkk bkl bkn bkr bks blb bld ble blf bli blk bll bln blr bls blu bnb bnd bne bnf bni bnk bnl bnn bnr bns bnu brb brd bre brf bri brk brl brn brr brs bru bsb bsd bse bsf bsi bsk bsl bsn bsr bss bsu bub bud bue buf bui buk bul bun bur bus buu dbb dbd dbe dbf dbi dbk dbl dbn dbr dbs dbu ddb ddd dde ddf ddi ddk ddl ddn ddr dds ddu de- deb ded dee def dei dek del den der des deu dfb dfd dfe dff dfi dfk dfl dfn dfr dfs dfu di- dib did die dif dii dik dil din dir dis diu dkb dke dki dkk dkl dkr dks dku dl- dlb dld dle dlf dli dlk dll dlr dls dlu dnb dnd dne dnf dni dnk dnl dnn dnr dns drb drd dre dri drk drl drn drr drs dru dsb dsd dse dsf dsi dsk dsl dsn dsr dss dsu dub dud due duf dui duk dul dun dur dus ebb ebd ebe ebf ebi ebk ebl ebn ebr ebs ebu ed- edb edd ede edf edi edk edl edn edr eds edu eeb eed eee eef eek eel een eer ees ef- efb efd efe eff efi efl efr efs eib eid eie eif eii eik eil ein eir eis eiu ekb ekd eke ekf eki ekl ekr eks eku elb eld ele elf eli elk ell eln elr els elu en- enb end ene enf eni enk enl enn enr ens enu erb erd ere erf eri erk erl ern err ers eru es- esb esd ese esf esi esk esl esn esr ess esu eu- eub eud eue euf eui eul eun eur eus fbb fbd fbe fbf fbi fbk fbl fbn fbr fbs fbu fdb fdd fde fdf fdi fdk fdl fdn fdr fds fdu feb fed fee fef fei fek fel fen fer fes feu ffd ffe fff ffi ffk ffl ffn ffr ffs ffu fib fid fie fif fii fik fil fin fir fis fiu fkb fkf fki fkk fkl flb fld fle flf fli fll fln flr fls flu fnb fnd fne fnf fni fnk fnl fnn fnr fns fnu frb frd fre frf fri frk frl frn frr frs fru fsb fsd fse fsf fsi fsk fsl fsn fsr fss fsu fub fud fue fuf fui fuk ful fun fur fus fuu i-d i-f ibb ibd ibe ibf ibi ibk ibl ibn ibr ibs ibu idb idd ide idf idi idk idl idn idr ids idu ie- ied iee ief iei iek iel ien ier ies ifb ifd ife iff ifi ifl ifn ifr ifs ifu iib iid iie iif iii iil iin iir iis iiu ikb ike ikf iki ikk ikl ikr iks iku il- ilb ild ile ilf ili ilk ill iln ilr ils ilu in- inb ind ine inf ini ink inl inn inr ins inu ir- irb ird ire irf iri irk irl irn irr irs iru is- isb isd ise isf isi isk isl isn isr iss isu iu- iub iud iue iui iur ius kbb kbd kbe kbf kbi kbk kbl kbn kbr kbs kbu kdb kde kdf kdk kdl kdr kds kdu ke- keb ked kee kef kei kek kel ken ker kes kfd kff kfi kfs kfu kib kid kie kif kii kik kil kin kir kis kiu kkb kke kki kkk kkl kkn kkr kks kku kl- klb kld klf kli klr kls klu kn- knd kne knf kni knk knl knn knr knu krd krf kri krk krl krn krr krs kru ksb ksd kse ksf ksi ksk ksl ksn ksr kss ksu kub kud kue kui kuk kul kun kur kus kuu lbb lbd lbe lbf lbi lbk lbl lbr lbs lbu ldb ldd lde ldf ldi ldk ldl ldn ldr lds ldu leb led lee lef lei lek lel len ler les leu lfb lfd lfe lff lfi lfk lfl lfn lfr lfs lfu lib lid lie lif lii lik lil lin lir lis liu lkb lkl lkr lks llb lld lle llf lli llk lll lln llr lls llu lnb lnd lne lni lnk lnl lnn lnr lns lnu lrb lrd lrf lri lrk lrn lrr lrs lru lsb lsd lse lsf lsi lsk lsl lsn lsr lss lsu lub lud lue luf lui luk lul lun lur lus luu n-i nbb nbd nbe nbf nbi nbk nbl nbn nbr nbs nbu ndb ndd nde ndf ndi ndk ndl ndn ndr nds ndu ne- neb ned nee nef nei nek nel nen ner nes neu nfb nfd nfe nff nfi nfk nfl nfn nfr nfs nfu nib nid nie nif nii nik nil nin nir nis niu nke nkf nki nkk nkn nkr nks nku nlb nld nle nlf nli nlk nll nln nlr nls nlu nnb nne nnf nni nnk nnl nnn nns nnu nrb nrd nre nrf nri nrk nrl nrn nrr nrs nru nsb nsd nse nsf nsi nsk nsl nsn nsr nss nsu nub nud nue nui nuk nul nun nur nus nuu rbb rbd rbe rbf rbi rbk rbl rbn rbr rbs rbu rdb rdd rde rdf rdi rdl rdn rdr rds rdu re- reb red ree ref rei rek rel ren rer res reu rfb rfd rfe rff rfi rfk rfl rfn rfr rfs rfu rib rid rie rif rii rik ril rin rir ris rkb rke rkf rkk rks rku rld rle rlf rli rll rln rlr rls rlu rnb rnd rni rnn rnr rns rnu rrb rrd rrf rri rrk rrl rrn rrr rrs