b-u bbb bbd bbe bbf bbl bbm bbn bbt bbu bdb bdd bde bdf bdl bdm bdt bdu be- beb bed bee bef bel bem ben bet beu bfb bfd bfe bff bfl bfm bfn bft bfu blb bld ble blf bll blm bln blt blu bmb bmd bme bmf bml bmm bmn bmt bmu bnb bnd bne bnf bnl bnn bnt bnu btb btd bte btf btl btm btn btt btu bub bud bue buf bul bum bun but buu dbb dbd dbe dbf dbl dbm dbn dbt dbu ddb ddd dde ddf ddl ddm ddn ddt ddu de- deb ded dee def del dem den det deu dfb dfd dfe dff dfl dfm dfn dft dfu dl- dlb dld dle dlf dll dlm dlt dlu dmb dmd dme dmf dml dmm dmn dmt dmu dnb dnd dne dnf dnl dnm dnn dnt dtb dtd dte dtf dtl dtm dtn dtt dtu dub dud due duf dul dum dun dut ebb ebd ebe ebf ebl ebm ebn ebt ebu ed- edb edd ede edf edl edm edn edt edu eeb eed eee eef eel eem een eet ef- efb efd efe eff efl efm eft elb eld ele elf ell elm eln elt elu em- emb emd eme emf eml emm emn emt emu en- enb end ene enf enl enm enn ent enu etb etd ete etf etl etm etn ett etu eu- eub eud eue euf eul eun eut fbb fbd fbe fbf fbl fbm fbn fbt fbu fdb fdd fde fdf fdl fdm fdn fdt fdu feb fed fee fef fel fem fen fet feu ffd ffe fff ffl ffm ffn fft ffu flb fld fle flf fll flm fln flt flu fmb fmd fme fmf fml fmm fmn fmt fmu fnb fnd fne fnf fnl fnm fnn fnt fnu ftb ftd fte ftf ftl ftm ftn ftt ftu fub fud fue fuf ful fum fun fut fuu lbb lbd lbe lbf lbl lbm lbt lbu ldb ldd lde ldf ldl ldm ldn ldt ldu leb led lee lef lel lem len let leu lfb lfd lfe lff lfl lfm lfn lft lfu llb lld lle llf lll llm lln llt llu lmb lmd lme lmf lml lmm lmn lmt lmu lnb lnd lne lnl lnm lnn lnt lnu ltb ltd lte ltf ltl ltm ltt ltu lub lud lue luf lul lum lun lut luu m-f mbb mbd mbe mbf mbl mbm mbt mbu mdb mdd mde mdf mdl mdm mdn mdt mdu meb med mee mef mel mem men met meu mfb mfd mfe mff mfl mfm mfn mft mfu mlb mld mle mlf mll mlm mln mlt mlu mmb mmd mme mmf mml mmm mmn mmt mmu mnb mne mnf mnl mnm mnn mnt mnu mtb mtd mte mtf mtl mtm mtn mtt mtu mub mud mue muf mul mum mun mut muu nbb nbd nbe nbf nbl nbm nbn nbt nbu ndb ndd nde ndf ndl ndm ndn ndt ndu ne- neb ned nee nef nel nem nen net neu nfb nfd nfe nff nfl nfn nft nfu nlb nld nle nlf nll nlm nln nlt nlu nmb nmd nme nml nmm nmn nmt nmu nnb nne nnf nnl nnm nnn nnt nnu ntb ntd nte ntf ntm ntn ntt ntu nub nud nue nul num nun nut nuu tbb tbd tbe tbf tbl tbm tbn tbt tbu tdb tdd tde tdf tdl tdm tdn tdt tdu te- teb ted tee tef tel tem ten tet teu tfb tfd tfe tff tfl tfm tfn tft tfu tld tle tlf tll tlm tln tlt tlu tmb tmd tme tmf tml tmm tmn tmt tmu tnb tnd tne tnf tnl tnm tnn tnt ttb ttd tte ttf ttl ttm ttn ttt ttu tub tud tue tuf tul tum tun tut tuu ubb ube ubf ubl ubn ubt ubu udb udd ude udf udl udm udn udt udu ueb ued uee uef uel uem uen uet ufd ufe uff ufl ufm ufn uft ufu ulb uld ule ulf ull ulm uln ult ulu um- umb umd ume umf uml umm umn umt umu un- unb und une unf unl unm unn unt unu utb utd ute utf utl utm utn utt utu uue uum uun uut uuu