-er bbb bbd bbe bbg bbi bbr bbt bdb bdd bde bdg bdi bdr bdt be- beb bed bee beg bei ber bet bgb bgd bge bgg bgi bgr bgt bi- bib bid bie big bii bir bit brb brd bre brg bri brr brt btb btd bte btg bti btr btt dbb dbd dbe dbg dbi dbr dbt ddb ddd dde ddg ddi ddr ddt de- deb ded dee deg dei der det dgd dge dgg dgi dgr dgt di- dib did die dig dii dir dit drb drd dre drg dri drr drt dtb dtd dte dtg dti dtr dtt ebb ebd ebe ebg ebi ebr ebt ed- edb edd ede edg edi edr edt eeb eed eee eeg eer eet egb egd ege egg egi egr egt eib eid eie eig eii eir eit erb erd ere erg eri err ert etb etd ete etg eti etr ett g-d gbd gbe gbg gbi gbr gbt gdb gdd gde gdi gdr gdt ge- geb ged gee geg gei ger get ggb ggd ggg ggi ggr ggt gib gid gie gig gii gir git grb grd gre grg gri grr grt gtb gtd gte gtg gti gtr gtt i-d ibb ibd ibe ibg ibi ibr ibt idb idd ide idg idi idr idt ie- ied iee ieg iei ier iet igb igd ige igg igi igr igt iib iid iie iii iir iit ir- irb ird ire irg iri irr irt itb itd ite itg iti itt rbb rbd rbe rbg rbi rbr rbt rdb rdd rde rdg rdi rdr rdt re- reb red ree reg rei rer ret rgb rgd rge rgg rgi rgr rgt rib rid rie rig rii rir rit rrb rrd rrg rri rrr rrt rtb rtd rte rtg rti rtr rtt tbb tbd tbe tbg tbi tbr tbt tdb tdd tde tdg tdi tdr tdt te- teb ted tee teg tei ter tet tgb tge tgg tgi tgr tgt tib tid tie tig tii tir tit trb trd tre trg tri trr trt ttb ttd tte ttg tti ttr ttt