-er bbb bbd bbe bbg bbi bbr bdb bdd bde bdg bdi bdr bdv be- beb bed bee beg bei ber bev bgb bgd bge bgg bgi bgr bgv bi- bib bid bie big bii bir biv brb brd bre brg bri brr brv bvb bvd bve bvg bvi bvr bvv dbb dbd dbe dbg dbi dbr dbv ddb ddd dde ddg ddi ddr de- deb ded dee deg dei der dev dgd dge dgg dgi dgr di- dib did die dig dii dir div drb drd dre drg dri drr drv dvb dvd dve dvg dvi dvr ebb ebd ebe ebg ebi ebr ebv ed- edb edd ede edg edi edr eeb eed eee eeg eer eev egb egd ege egg egi egr eib eid eie eig eii eir eiv erb erd ere erg eri err erv evb evd eve evg evi evr evv g-d gbd gbe gbg gbi gbr gbv gdb gdd gde gdi gdr gdv ge- geb ged gee geg gei ger gev ggb ggd ggg ggi ggr ggv gib gid gie gig gii gir giv grb grd gre grg gri grr grv gvb gvd gve gvg gvi gvr i-d i-v ibb ibd ibe ibg ibi ibr ibv idb idd ide idg idi idr idv ie- ied iee ieg iei ier iev igb igd ige igg igi igr iib iid iie iii iir ir- irb ird ire irg iri irr irv ivb ivd ive ivg ivi ivr ivv rbb rbd rbe rbg rbi rbr rdb rdd rde rdg rdi rdr rdv re- reb red ree reg rei rer rev rgb rgd rge rgg rgi rgr rgv rib rid rie rig rii rir riv rrb rrd rrg rri rrr rvb rvd rve rvg rvi rvr rvv v-e vbd vbg vbi vbr vbv vdb vdd vde vdg vdi vdr vdv veb ved vee veg vei ver vgg vgr vi- vib vid vie vig vii vir viv vrb vrd vre vrg vri vrr vvb vvg vvi vvr vvv