b-u bbb bbe bbg bbi bbo bbu be- beb bee beg bei beo beu bgb bge bgg bgi bgo bgu bi- bib bie big bii bio biu bob boe bog boi boo bou bub bue bug bui buo buu ebb ebe ebg ebi ebo ebu eeb eee eeg eeo egb ege egg egi ego egu eib eie eig eii eio eiu eo- eob eoe eog eoi eoo eou eu- eub eue eug eui gbe gbg gbi gbo gbu ge- geb gee geg gei geo geu ggb ggg ggi ggo ggu gib gie gig gii gio giu gob goe gog goi goo gou gu- gub gue gug gui guo guu ibb ibe ibg ibi ibo ibu ie- iee ieg iei igb ige igg igi igo igu iib iie iii iio iiu io- iob ioe iog ioi ioo iou iu- iub iue iug iui o-i ob- obb obe obg obi obo obu oeb oee oeg oei oeo oge ogg ogi ogo oib oie oii oio oiu oo- oob oog ooi ooo ou- oue oui ouo ubb ube ubg ubi ubo ubu ueb uee ueg uei ugb uge ugg ugi ugo ugu uib uie uig uii uio uiu uob uoe uog uoo uue uug uuu