bbb bbg bbi bbl bbq bbr bgb bgg bgi bgl bgr bi- bib big bii bil bir blb blg bli bll blq blr brb brg bri brl brq brr gbg gbi gbl gbr ggb ggg ggi ggr gib gig gii gil gir glb glg gli gll glq glr grb grg gri grl grq grr ibb ibg ibi ibl ibr igb igg igi igl igr iib iii iil iir il- ilb ilg ili ill ilq ilr ir- irb irg iri irl irq irr lbb lbg lbi lbl lbr lgb lgg lgi lgl lgr lib lig lii lil liq lir llb llg lli lll llq llr lqg lqr lrb lrg lri lrr qbq qil qir qqq qrb qrg qri qrl rbb rbg rbi rbl rbr rgb rgg rgi rgr rib rig rii ril riq rir rlg rli rll rlr rrb rrg rri rrl rrq rrr