b-p bbb bbe bbh bbi bbp be- beb bee beh bei bep bhb bhe bhh bhi bhp bi- bib bie bih bii bip bpb bpe bph bpi bpp ebb ebe ebh ebi ebp eeb eee eep ehb ehe ehh ehi ehp eib eie eii eip ep- epb epe eph epi epp h-i hbb hbe hbh hbi hbp he- heb hee heh hei hep hhb hhe hhh hhi hhp hib hie hih hii hip hpb hpe hph hpi hpp ibb ibe ibh ibi ibp ie- iee iei iep ihb ihe ihh ihi ihp iib iie iih iii iip ipb ipe ipi ipp p-p pbb pbe pbi pbp peb pee peh pei pep phb phe phi php pib pie pih pii pip ppb ppe pph ppi ppp