-ol bbb bbd bbe bbg bbl bbo bdb bdd bde bdg bdl bdo be- beb bed bee beg bel beo bgb bgd bge bgg bgl bgo blb bld ble blg bll blo bob bod boe bog bol boo dbb dbd dbe dbg dbl dbo ddb ddd dde ddg ddl ddo de- deb ded dee deg del deo dgd dge dgg dgl dl- dlb dld dle dlg dll dlo dob dod doe dog dol doo ebb ebd ebe ebg ebl ebo ed- edb edd ede edg edl edo eeb eed eee eeg eel eeo egb egd ege egg egl ego elb eld ele elg ell elo eo- eob eod eoe eog eol eoo g-d gbd gbe gbg gbl gbo gdb gdd gde gdl gdo ge- geb ged gee geg gel geo ggb ggd ggg ggo glb gld gle glg gll glo gob god goe gog gol goo lbb lbd lbe lbg lbl lbo ldb ldd lde ldg ldl ldo leb led lee leg lel leo lgb lgd lge lgg lgl lgo llb lld lle llg lll llo lob lod loe log lol loo ob- obb obd obe obg obl obo odb odd ode odg odl odo oeb oed oee oeg oel oeo ogd oge ogg ogl ogo olb old ole olg oll olo oo- oob ood oog ool ooo