b-u bbb bbe bbg bbl bbm bbn bbu be- beb bee beg bel bem ben beu bgb bge bgg bgl bgm bgn bgu blb ble blg bll blm bln blu bmb bme bmg bml bmm bmn bmu bnb bne bng bnl bnn bnu bub bue bug bul bum bun buu ebb ebe ebg ebl ebm ebn ebu eeb eee eeg eel eem een egb ege egg egl egm egn egu elb ele elg ell elm eln elu em- emb eme emg eml emm emn emu en- enb ene eng enl enm enn enu eu- eub eue eug eul eun gbe gbg gbl gbm gbn gbu ge- geb gee geg gel gem gen geu ggb ggg ggm ggn ggu glb gle glg gll glm gln glu gmb gme gmg gml gmm gmn gnb gne gnl gnm gnn gnu gu- gub gue gug gul gum gun guu lbb lbe lbg lbl lbm lbu leb lee leg lel lem len leu lgb lge lgg lgl lgm lgn lgu llb lle llg lll llm lln llu lmb lme lmg lml lmm lmn lmu lnb lne lng lnl lnm lnn lnu lub lue lug lul lum lun luu mbb mbe mbg mbl mbm mbu meb mee meg mel mem men meu mgb mge mgl mgm mgn mgu mlb mle mlg mll mlm mln mlu mmb mme mmg mml mmm mmn mmu mnb mne mng mnl mnm mnn mnu mub mue mug mul mum mun muu nbb nbe nbg nbl nbm nbn nbu ne- neb nee neg nel nem nen neu ngb nge ngg ngl ngm ngn ngu nlb nle nlg nll nlm nln nlu nmb nme nmg nml nmm nmn nmu nnb nne nng nnl nnm nnn nnu nub nue nug nul num nun nuu ubb ube ubg ubl ubn ubu ueb uee ueg uel uem uen ugb uge ugg ugl ugm ugn ugu ulb ule ulg ull ulm uln ulu um- umb ume umg uml umm umn umu un- unb une ung unl unm unn unu uue uug uum uun uuu