bbb bbd bbe bbg bbo bdb bdd bde bdg bdo be- beb bed bee beg beo bgb bgd bge bgg bgo bob bod boe bog boo dbb dbd dbe dbg dbo ddb ddd dde ddg ddo de- deb ded dee deg deo dgd dge dgg dob dod doe dog doo ebb ebd ebe ebg ebo ed- edb edd ede edg edo eeb eed eee eeg eeo egb egd ege egg ego eo- eob eod eoe eog eoo g-d gbd gbe gbg gbo gdb gdd gde gdo ge- geb ged gee geg geo ggb ggd ggg ggo gob god goe gog goo ob- obb obd obe obg obo odb odd ode odg odo oeb oed oee oeg oeo ogd oge ogg ogo oo- oob ood oog ooo