bbb bbd bbe bbg bbm bdb bdd bde bdg bdm be- beb bed bee beg bem bgb bgd bge bgg bgm bmb bmd bme bmg bmm dbb dbd dbe dbg dbm ddb ddd dde ddg ddm de- deb ded dee deg dem dgd dge dgg dgm dmb dmd dme dmg dmm ebb ebd ebe ebg ebm ed- edb edd ede edg edm eeb eed eee eeg eem egb egd ege egg egm em- emb emd eme emg emm g-d gbd gbe gbg gbm gdb gdd gde gdm ge- geb ged gee geg gem ggb ggd ggg ggm gmb gmd gme gmg gmm mbb mbd mbe mbg mbm mdb mdd mde mdg mdm meb med mee meg mem mgb mgd mge mgm mmb mmd mme mmg mmm