b-p bbb bbe bbh bbi bbo bbp be- beb bee beh bei beo bep bhb bhe bhh bhi bho bhp bi- bib bie bih bii bio bip bob boe boh boi boo bop bpb bpe bph bpi bpo bpp ebb ebe ebh ebi ebo ebp eeb eee eeo eep ehb ehe ehh ehi eho ehp eib eie eii eio eip eo- eob eoe eoh eoi eoo eop ep- epb epe eph epi epo epp h-i hbb hbe hbh hbi hbo hbp he- heb hee heh hei heo hep hhb hhe hhh hhi hho hhp hib hie hih hii hio hip hob hoe hoh hoi hoo hop hpb hpe hph hpi hpo hpp ibb ibe ibh ibi ibo ibp ie- iee iei iep ihb ihe ihh ihi iho ihp iib iie iih iii iio iip io- iob ioe ioh ioi ioo iop ipb ipe ipi ipo ipp o-i ob- obb obe obh obi obo obp oeb oee oeh oei oeo oep ohe ohh ohi oho ohp oib oie oii oio oip oo- oob ooh ooi ooo oop op- opb ope oph opi opo opp p-p pbb pbe pbi pbo pbp peb pee peh pei peo pep phb phe phi pho php pib pie pih pii pio pip pob poe poh poi poo pop ppb ppe pph ppi ppo ppp