-th b-p bbb bbh bbi bbp bbr bbt bhb bhh bhi bhp bhr bht bi- bib bih bii bip bir bit bpb bph bpi bpp bpr bpt brb brh bri brp brr brt btb bth bti btp btr btt h-i hbb hbh hbi hbp hbr hbt hhb hhh hhi hhp hhr hht hib hih hii hip hir hit hpb hph hpi hpp hpr hpt hr- hrb hrh hri hrp hrr hrt htb hth hti htp htr htt ibb ibh ibi ibp ibr ibt ihb ihh ihi ihp ihr iht iib iih iii iip iir iit ipb ipi ipp ipr ipt ir- irb iri irp irr irt itb ith iti itp itt p-p pbb pbi pbp pbr pbt phb phi php phr pht pib pih pii pip pir pit ppb pph ppi ppp ppr ppt prb prh pri prp prr prt pt- ptb pth pti ptp ptr ptt rbb rbh rbi rbp rbr rbt rh- rhb rhh rhi rhp rhr rht rib rih rii rip rir rit rpb rph rpi rpp rpr rpt rrb rrh rri rrp rrr rrt rtb rti rtp rtr rtt tbb tbh tbi tbp tbr tbt th- thb thh thi thp thr tht tib tih tii tip tir tit tpb tph tpi tpp tpr tpt trb trh tri trp trr trt ttb tth tti ttp ttr ttt