b-u bbb bbe bbg bbm bbu be- beb bee beg bem beu bgb bge bgg bgm bgu bmb bme bmg bmm bmu bub bue bug bum buu ebb ebe ebg ebm ebu eeb eee eeg eem egb ege egg egm egu em- emb eme emg emm emu eu- eub eue eug gbe gbg gbm gbu ge- geb gee geg gem geu ggb ggg ggm ggu gmb gme gmg gmm gu- gub gue gug gum guu mbb mbe mbg mbm mbu meb mee meg mem meu mgb mge mgm mgu mmb mme mmg mmm mmu mub mue mug mum muu ubb ube ubg ubu ueb uee ueg uem ugb uge ugg ugm ugu um- umb ume umg umm umu uue uug uum uuu