-er bbb bbd bbe bbg bbi bbl bbr bdb bdd bde bdg bdi bdl bdr be- beb bed bee beg bei bel ber bgb bgd bge bgg bgi bgl bgr bi- bib bid bie big bii bil bir blb bld ble blg bli bll blr brb brd bre brg bri brl brr dbb dbd dbe dbg dbi dbl dbr ddb ddd dde ddg ddi ddl ddr de- deb ded dee deg dei del der dgd dge dgg dgi dgl dgr di- dib did die dig dii dil dir dl- dlb dld dle dlg dli dll dlr drb drd dre drg dri drl drr ebb ebd ebe ebg ebi ebl ebr ed- edb edd ede edg edi edl edr eeb eed eee eeg eel eer egb egd ege egg egi egl egr eib eid eie eig eii eil eir elb eld ele elg eli ell elr erb erd ere erg eri erl err g-d gbd gbe gbg gbi gbl gbr gdb gdd gde gdi gdl gdr ge- geb ged gee geg gei gel ger ggb ggd ggg ggi ggr gib gid gie gig gii gil gir glb gld gle glg gli gll glr grb grd gre grg gri grl grr i-d ibb ibd ibe ibg ibi ibl ibr idb idd ide idg idi idl idr ie- ied iee ieg iei iel ier igb igd ige igg igi igl igr iib iid iie iii iil iir il- ilb ild ile ilg ili ill ilr ir- irb ird ire irg iri irl irr lbb lbd lbe lbg lbi lbl lbr ldb ldd lde ldg ldi ldl ldr leb led lee leg lei lel ler lgb lgd lge lgg lgi lgl lgr lib lid lie lig lii lil lir llb lld lle llg lli lll llr lrb lrd lrg lri lrr rbb rbd rbe rbg rbi rbl rbr rdb rdd rde rdg rdi rdl rdr re- reb red ree reg rei rel rer rgb rgd rge rgg rgi rgr rib rid rie rig rii ril rir rld rle rlg rli rll rlr rrb rrd rrg rri rrl rrr