bbb bbd bbe bbf bbo bbw bdb bdd bde bdf bdo bdw be- beb bed bee bef beo bew bfb bfd bfe bff bfo bob bod boe bof boo bow bwb bwd bwf bwo dbb dbd dbe dbf dbo ddb ddd dde ddf ddo ddw de- deb ded dee def deo dew dfb dfd dfe dff dfo dfw dob dod doe dof doo dow dwb dwe dwf dwo dww ebb ebd ebe ebf ebo ebw ed- edb edd ede edf edo edw eeb eed eee eef eeo eew ef- efb efd efe eff efo efw eo- eob eod eoe eof eoo eow ewb ewd ewe ewf ewo eww fbb fbd fbe fbf fbo fbw fdb fdd fde fdf fdo feb fed fee fef feo few ffd ffe fff ffo ffw fob foe fof foo fow fwb fwd fwe fwf fwo ob- obb obd obe obf obo obw odb odd ode odf odo oeb oed oee oef oeo of- ofb ofd ofe off ofo ofw oo- oob ood oof ooo oow owb owd owe owf owo oww wbb wbd wbe wbf wbo wbw wdb wdf web wed wee wef weo wew wfb wfd wfe wff wfo wfw wob wod woe wof woo wow wwd wwe wwf wwo www