b-p bbb bbc bbh bbp bbr bcb bcc bch bcp bcr bhb bhc bhh bhp bhr bpb bpc bph bpp bpr brb brh brp brr c-- cbb cbc cbh cbp cbr ccb ccc cch ccp ccr ch- chb chc chh chp chr cpb cpc cph cpp cpr crb crc crh crp crr hbb hbc hbh hbp hbr hcb hcc hch hcp hcr hhb hhc hhh hhp hhr hpb hpc hph hpp hpr hr- hrb hrc hrh hrp hrr p-p pbb pbc pbp pbr pcb pcc pch pcp pcr phb phc php phr ppb ppc pph ppp ppr prb prc prh prp prr rbb rbc rbh rbp rbr rcb rcc rch rcp rcr rh- rhb rhc rhh rhp rhr rpb rpc rph rpp rpr rrb rrc rrh rrp rrr