bbb bbe bbf bbl bbm bbn bbt be- beb bee bef bel bem ben bet bfb bfe bff bfl bfm bfn bft blb ble blf bll blm bln blt bmb bme bmf bml bmm bmn bmt bnb bne bnf bnl bnn bnt btb bte btf btl btm btn btt ebb ebe ebf ebl ebm ebn ebt eeb eee eef eel eem een eet ef- efb efe eff efl efm eft elb ele elf ell elm eln elt em- emb eme emf eml emm emn emt en- enb ene enf enl enm enn ent etb ete etf etl etm etn ett fbb fbe fbf fbl fbm fbn fbt feb fee fef fel fem fen fet ffe fff ffl ffm ffn fft flb fle flf fll flm fln flt fmb fme fmf fml fmm fmn fmt fnb fne fnf fnl fnm fnn fnt ftb fte ftf ftl ftm ftn ftt lbb lbe lbf lbl lbm lbt leb lee lef lel lem len let lfb lfe lff lfl lfm lfn lft llb lle llf lll llm lln llt lmb lme lmf lml lmm lmn lmt lnb lne lnl lnm lnn lnt ltb lte ltf ltl ltm ltt m-f mbb mbe mbf mbl mbm mbt meb mee mef mel mem men met mfb mfe mff mfl mfm mfn mft mlb mle mlf mll mlm mln mlt mmb mme mmf mml mmm mmn mmt mnb mne mnf mnl mnm mnn mnt mtb mte mtf mtl mtm mtn mtt nbb nbe nbf nbl nbm nbn nbt ne- neb nee nef nel nem nen net nfb nfe nff nfl nfn nft nlb nle nlf nll nlm nln nlt nmb nme nml nmm nmn nmt nnb nne nnf nnl nnm nnn nnt ntb nte ntf ntm ntn ntt tbb tbe tbf tbl tbm tbn tbt te- teb tee tef tel tem ten tet tfb tfe tff tfl tfm tfn tft tle tlf tll tlm tln tlt tmb tme tmf tml tmm tmn tmt tnb tne tnf tnl tnm tnn tnt ttb tte ttf ttl ttm ttn ttt