b-u bbb bbd bbe bbg bbu bdb bdd bde bdg bdu be- beb bed bee beg beu bgb bgd bge bgg bgu bub bud bue bug buu dbb dbd dbe dbg dbu ddb ddd dde ddg ddu de- deb ded dee deg deu dgd dge dgg dgu dub dud due dug ebb ebd ebe ebg ebu ed- edb edd ede edg edu eeb eed eee eeg egb egd ege egg egu eu- eub eud eue eug g-d gbd gbe gbg gbu gdb gdd gde gdu ge- geb ged gee geg geu ggb ggd ggg ggu gu- gub gud gue gug guu ubb ube ubg ubu udb udd ude udg udu ueb ued uee ueg ugb uge ugg ugu uue uug uuu