b-u bbb bbf bbg bbi bbl bbm bbn bbu bfb bff bfg bfi bfl bfm bfn bfu bfz bgb bgf bgg bgi bgl bgm bgn bgu bgz bi- bib bif big bii bil bim bin biu biz blb blf blg bli bll blm bln blu blz bmb bmf bmg bmi bml bmm bmn bmu bmz bnb bnf bng bni bnl bnn bnu bnz bub buf bug bui bul bum bun buu buz bzf bzn bzu bzz fbb fbf fbg fbi fbl fbm fbn fbu fff ffg ffi ffl ffm ffn ffu ffz fgb fgf fgg fgi fgl fgm fgn fgz fib fif fig fii fil fim fin fiu fiz flb flf flg fli fll flm fln flu fmb fmf fmg fmi fml fmm fmn fmu fnb fnf fng fni fnl fnm fnn fnu fnz fub fuf fug fui ful fum fun fuu gbf gbg gbi gbl gbm gbn gbu gbz gfb gff gfi gfl gfm gfz ggb ggg ggi ggm ggn ggu ggz gib gif gig gii gil gim gin giu giz glb glf glg gli gll glm gln glu glz gmb gmf gmg gmi gml gmm gmn gmz gnb gnf gni gnl gnm gnn gnu gu- gub guf gug gui gul gum gun guu guz gzu i-f ibb ibf ibg ibi ibl ibm ibn ibu ibz ifb iff ifg ifi ifl ifm ifn ifu ifz igb igf igg igi igl igm ign igu iib iif iii iil iim iin iiu il- ilb ilf ilg ili ill ilm iln ilu ilz im- imb imf img imi iml imm imn imu imz in- inb inf ing ini inl inm inn inu iu- iub iug iui ium iuz izi izm izu izz lbb lbf lbg lbi lbl lbm lbu lfb lff lfg lfi lfl lfm lfn lfu lgb lgf lgg lgi lgl lgm lgn lgu lib lif lig lii lil lim lin liu liz llb llf llg lli lll llm lln llu llz lmb lmf lmg lmi lml lmm lmn lmu lnb lng lni lnl lnm lnn lnu lub luf lug lui lul lum lun luu luz lzi lzu m-f mbb mbf mbg mbi mbl mbm mbu mfb mff mfg mfi mfl mfm mfn mfu mfz mgb mgf mgi mgl mgm mgn mgu mgz mi- mib mif mig mii mil mim min miu miz mlb mlf mlg mli mll mlm mln mlu mmb mmf mmg mmi mml mmm mmn mmu mmz mnb mnf mng mni mnl mnm mnn mnu mnz mub muf mug mui mul mum mun muu mzb mzf mzi mzm mzn n-i nbb nbf nbg nbi nbl nbm nbn nbu nfb nff nfi nfl nfn nfu ngb ngf ngg ngi ngl ngm ngn ngu nib nif nig nii nil nim nin niu niz nlb nlf nlg nli nll nlm nln nlu nlz nmb nmg nmi nml nmm nmn nmu nmz nnb nnf nng nni nnl nnm nnn nnu nnz nub nug nui nul num nun nuu nzb nzf nzg nzi nzz ubb ubf ubg ubi ubl ubn ubu uff ufg ufi ufl ufm ufn ufu ugb ugf ugg ugi ugl ugm ugn ugu uib uif uig uii uil uim uin uiu ulb ulf ulg uli ull ulm uln ulu um- umb umf umg umi uml umm umn umu un- unb unf ung uni unl unm unn unu uug uum uun uuu uzb uzi uzu z-g zbb zbl zbm zfn zgb zgg zgi zib zif zig zil zim zin ziz zmb zmm znn zub zug zui zul zum zun zuz zzz