b-u bbb bbd bbe bbg bbo bbu bdb bdd bde bdg bdo bdu be- beb bed bee beg beo beu bgb bgd bge bgg bgo bgu bob bod boe bog boo bou bub bud bue bug buo buu dbb dbd dbe dbg dbo dbu ddb ddd dde ddg ddo ddu de- deb ded dee deg deo deu dgd dge dgg dgu dob dod doe dog doo dou dub dud due dug duo ebb ebd ebe ebg ebo ebu ed- edb edd ede edg edo edu eeb eed eee eeg eeo egb egd ege egg ego egu eo- eob eod eoe eog eoo eou eu- eub eud eue eug g-d gbd gbe gbg gbo gbu gdb gdd gde gdo gdu ge- geb ged gee geg geo geu ggb ggd ggg ggo ggu gob god goe gog goo gou gu- gub gud gue gug guo guu ob- obb obd obe obg obo obu odb odd ode odg odo odu oeb oed oee oeg oeo ogd oge ogg ogo oo- oob ood oog ooo ou- oud oue ouo ubb ube ubg ubo ubu udb udd ude udg udo udu ueb ued uee ueg ugb uge ugg ugo ugu uob uod uoe uog uoo uue uug uuu