-th bbb bbg bbh bbl bbr bbt bgb bgg bgh bgl bgr bgt bhb bhg bhh bhl bhr bht blb blg blh bll blr blt brb brg brh brl brr brt btb btg bth btl btr btt gbg gbh gbl gbr gbt ggb ggg ggh ggr ggt ghb ghg ghh ghl ghr ght glb glg glh gll glr glt grb grg grh grl grr grt gtb gtg gth gtl gtr gtt hbb hbg hbh hbl hbr hbt hgb hgg hgh hgl hgr hgt hhb hhg hhh hhl hhr hht hlb hlg hlh hll hlr hlt hr- hrb hrg hrh hrl hrr hrt htb htg hth htl htr htt lbb lbg lbh lbl lbr lbt lgb lgg lgh lgl lgr lgt lhb lhh lhr lht llb llg lll llr llt lrb lrg lrh lrr lrt ltb ltg lth ltl ltr ltt rbb rbg rbh rbl rbr rbt rgb rgg rgh rgr rgt rh- rhb rhg rhh rhl rhr rht rlg rlh rll rlr rlt rrb rrg rrh rrl rrr rrt rtb rtg rtl rtr rtt tbb tbg tbh tbl tbr tbt tgb tgg tgh tgl tgr tgt th- thb thg thh thl thr tht tlg tlh tll tlr tlt trb trg trh trl trr trt ttb ttg tth ttl ttr ttt