b-u bbb bbd bbe bbg bbi bbu bdb bdd bde bdg bdi bdu be- beb bed bee beg bei beu bgb bgd bge bgg bgi bgu bi- bib bid bie big bii biu bub bud bue bug bui buu dbb dbd dbe dbg dbi dbu ddb ddd dde ddg ddi ddu de- deb ded dee deg dei deu dgd dge dgg dgi dgu di- dib did die dig dii diu dub dud due dug dui ebb ebd ebe ebg ebi ebu ed- edb edd ede edg edi edu eeb eed eee eeg egb egd ege egg egi egu eib eid eie eig eii eiu eu- eub eud eue eug eui g-d gbd gbe gbg gbi gbu gdb gdd gde gdi gdu ge- geb ged gee geg gei geu ggb ggd ggg ggi ggu gib gid gie gig gii giu gu- gub gud gue gug gui guu i-d ibb ibd ibe ibg ibi ibu idb idd ide idg idi idu ie- ied iee ieg iei igb igd ige igg igi igu iib iid iie iii iiu iu- iub iud iue iug iui ubb ube ubg ubi ubu udb udd ude udg udi udu ueb ued uee ueg uei ugb uge ugg ugi ugu uib uid uie uig uii uiu uue uug uuu