-th bbb bbd bbh bbi bbr bbt bdb bdd bdh bdi bdr bdt bhb bhd bhh bhi bhr bht bi- bib bid bih bii bir bit brb brd brh bri brr brt btb btd bth bti btr btt dbb dbd dbh dbi dbr dbt ddb ddd ddh ddi ddr ddt dh- dhb dhd dhh dhi dhr dht di- dib did dih dii dir dit drb drd dri drr drt dtb dtd dth dti dtr dtt h-i hbb hbd hbh hbi hbr hbt hdb hdd hdh hdi hdr hdt hhb hhd hhh hhi hhr hht hib hid hih hii hir hit hr- hrb hrd hrh hri hrr hrt htb htd hth hti htr htt i-d ibb ibd ibh ibi ibr ibt idb idd idh idi idr idt ihb ihd ihh ihi ihr iht iib iid iih iii iir iit ir- irb ird iri irr irt itb itd ith iti itt rbb rbd rbh rbi rbr rbt rdb rdd rdh rdi rdr rdt rh- rhb rhd rhh rhi rhr rht rib rid rih rii rir rit rrb rrd rrh rri rrr rrt rtb rtd rti rtr rtt tbb tbd tbh tbi tbr tbt tdb tdd tdh tdi tdr tdt th- thb thd thh thi thr tht tib tid tih tii tir tit trb trd trh tri trr trt ttb ttd tth tti ttr ttt