bbb bbd bbg bbi bbr bbt bdb bdd bdg bdi bdr bdt bgb bgd bgg bgi bgr bgt bi- bib bid big bii bir bit brb brd brg bri brr brt btb btd btg bti btr btt dbb dbd dbg dbi dbr dbt ddb ddd ddg ddi ddr ddt dgd dgg dgi dgr dgt di- dib did dig dii dir dit drb drd drg dri drr drt dtb dtd dtg dti dtr dtt g-d gbd gbg gbi gbr gbt gdb gdd gdi gdr gdt ggb ggd ggg ggi ggr ggt gib gid gig gii gir git grb grd grg gri grr grt gtb gtd gtg gti gtr gtt i-d ibb ibd ibg ibi ibr ibt idb idd idg idi idr idt igb igd igg igi igr igt iib iid iii iir iit ir- irb ird irg iri irr irt itb itd itg iti itt rbb rbd rbg rbi rbr rbt rdb rdd rdg rdi rdr rdt rgb rgd rgg rgi rgr rgt rib rid rig rii rir rit rrb rrd rrg rri rrr rrt rtb rtd rtg rti rtr rtt tbb tbd tbg tbi tbr tbt tdb tdd tdg tdi tdr tdt tgb tgg tgi tgr tgt tib tid tig tii tir tit trb trd trg tri trr trt ttb ttd ttg tti ttr ttt