b-u bbb bbi bbl bbm bbn bbu bi- bib bii bil bim bin biu blb bli bll blm bln blu bmb bmi bml bmm bmn bmu bnb bni bnl bnn bnu bub bui bul bum bun buu ibb ibi ibl ibm ibn ibu iib iii iil iim iin iiu il- ilb ili ill ilm iln ilu im- imb imi iml imm imn imu in- inb ini inl inm inn inu iu- iub iui ium lbb lbi lbl lbm lbu lib lii lil lim lin liu llb lli lll llm lln llu lmb lmi lml lmm lmn lmu lnb lni lnl lnm lnn lnu lub lui lul lum lun luu mbb mbi mbl mbm mbu mi- mib mii mil mim min miu mlb mli mll mlm mln mlu mmb mmi mml mmm mmn mmu mnb mni mnl mnm mnn mnu mub mui mul mum mun muu n-i nbb nbi nbl nbm nbn nbu nib nii nil nim nin niu nlb nli nll nlm nln nlu nmb nmi nml nmm nmn nmu nnb nni nnl nnm nnn nnu nub nui nul num nun nuu ubb ubi ubl ubn ubu uib uii uil uim uin uiu ulb uli ull ulm uln ulu um- umb umi uml umm umn umu un- unb uni unl unm unn unu uum uun uuu