-er bbb bbd bbe bbg bbi bbo bbr bdb bdd bde bdg bdi bdo bdr bdv be- beb bed bee beg bei beo ber bev bgb bgd bge bgg bgi bgo bgr bgv bi- bib bid bie big bii bio bir biv bob bod boe bog boi boo bor bov brb brd bre brg bri bro brr brv bvb bvd bve bvg bvi bvo bvr bvv dbb dbd dbe dbg dbi dbo dbr dbv ddb ddd dde ddg ddi ddo ddr de- deb ded dee deg dei deo der dev dgd dge dgg dgi dgr di- dib did die dig dii dio dir div dob dod doe dog doi doo dor dov drb drd dre drg dri dro drr drv dvb dvd dve dvg dvi dvr ebb ebd ebe ebg ebi ebo ebr ebv ed- edb edd ede edg edi edo edr eeb eed eee eeg eeo eer eev egb egd ege egg egi ego egr eib eid eie eig eii eio eir eiv eo- eob eod eoe eog eoi eoo eor erb erd ere erg eri ero err erv evb evd eve evg evi evo evr evv g-d gbd gbe gbg gbi gbo gbr gbv gdb gdd gde gdi gdo gdr gdv ge- geb ged gee geg gei geo ger gev ggb ggd ggg ggi ggo ggr ggv gib gid gie gig gii gio gir giv gob god goe gog goi goo gor gov grb grd gre grg gri gro grr grv gvb gvd gve gvg gvi gvo gvr i-d i-v ibb ibd ibe ibg ibi ibo ibr ibv idb idd ide idg idi ido idr idv ie- ied iee ieg iei ier iev igb igd ige igg igi igo igr iib iid iie iii iio iir io- iob iod ioe iog ioi ioo ior iov ir- irb ird ire irg iri iro irr irv ivb ivd ive ivg ivi ivo ivr ivv o-i ob- obb obd obe obg obi obo obr obv odb odd ode odg odi odo odr odv oeb oed oee oeg oei oeo oer ogd oge ogg ogi ogo oib oid oie oii oio oir oiv oo- oob ood oog ooi ooo oor oov or- orb ord ore org ori oro orr orv ov- ovb ovd ove ovi ovo ovv rbb rbd rbe rbg rbi rbo rbr rdb rdd rde rdg rdi rdo rdr rdv re- reb red ree reg rei reo rer rev rgb rgd rge rgg rgi rgo rgr rgv rib rid rie rig rii rio rir riv rob rod roe rog roi roo ror rov rrb rrd rrg rri rrr rvb rvd rve rvg rvi rvo rvr rvv v-e vbd vbg vbi vbo vbr vbv vdb vdd vde vdg vdi vdo vdr vdv veb ved vee veg vei veo ver vgg vgo vgr vi- vib vid vie vig vii vio vir viv vob vod voe vog voi voo vor vov vrb vrd vre vrg vri vrr vvb vvg vvi vvo vvr vvv