-er bbb bbd bbe bbg bbi bbl bbr bbt bdb bdd bde bdg bdi bdl bdr bdt be- beb bed bee beg bei bel ber bet bgb bgd bge bgg bgi bgl bgr bgt bi- bib bid bie big bii bil bir bit blb bld ble blg bli bll blr blt brb brd bre brg bri brl brr brt btb btd bte btg bti btl btr btt dbb dbd dbe dbg dbi dbl dbr dbt ddb ddd dde ddg ddi ddl ddr ddt de- deb ded dee deg dei del der det dgd dge dgg dgi dgl dgr dgt di- dib did die dig dii dil dir dit dl- dlb dld dle dlg dli dll dlr dlt drb drd dre drg dri drl drr drt dtb dtd dte dtg dti dtl dtr dtt ebb ebd ebe ebg ebi ebl ebr ebt ed- edb edd ede edg edi edl edr edt eeb eed eee eeg eel eer eet egb egd ege egg egi egl egr egt eib eid eie eig eii eil eir eit elb eld ele elg eli ell elr elt erb erd ere erg eri erl err ert etb etd ete etg eti etl etr ett g-d gbd gbe gbg gbi gbl gbr gbt gdb gdd gde gdi gdl gdr gdt ge- geb ged gee geg gei gel ger get ggb ggd ggg ggi ggr ggt gib gid gie gig gii gil gir git glb gld gle glg gli gll glr glt grb grd gre grg gri grl grr grt gtb gtd gte gtg gti gtl gtr gtt i-d ibb ibd ibe ibg ibi ibl ibr ibt idb idd ide idg idi idl idr idt ie- ied iee ieg iei iel ier iet igb igd ige igg igi igl igr igt iib iid iie iii iil iir iit il- ilb ild ile ilg ili ill ilr ilt ir- irb ird ire irg iri irl irr irt itb itd ite itg iti itl itt lbb lbd lbe lbg lbi lbl lbr lbt ldb ldd lde ldg ldi ldl ldr ldt leb led lee leg lei lel ler let lgb lgd lge lgg lgi lgl lgr lgt lib lid lie lig lii lil lir lit llb lld lle llg lli lll llr llt lrb lrd lrg lri lrr lrt ltb ltd lte ltg lti ltl ltr ltt rbb rbd rbe rbg rbi rbl rbr rbt rdb rdd rde rdg rdi rdl rdr rdt re- reb red ree reg rei rel rer ret rgb rgd rge rgg rgi rgr rgt rib rid rie rig rii ril rir rit rld rle rlg rli rll rlr rlt rrb rrd rrg rri rrl rrr rrt rtb rtd rte rtg rti rtl rtr rtt tbb tbd tbe tbg tbi tbl tbr tbt tdb tdd tde tdg tdi tdl tdr tdt te- teb ted tee teg tei tel ter tet tgb tge tgg tgi tgl tgr tgt tib tid tie tig tii til tir tit tld tle tlg tli tll tlr tlt trb trd tre trg tri trl trr trt ttb ttd tte ttg tti ttl ttr ttt