b-p bbb bbe bbh bbn bbo bbp be- beb bee beh ben beo bep bhb bhe bhh bho bhp bnb bne bnn bno bnp bob boe boh bon boo bop bpb bpe bph bpn bpo bpp ebb ebe ebh ebn ebo ebp eeb eee een eeo eep ehb ehe ehh ehn eho ehp en- enb ene enh enn eno enp eo- eob eoe eoh eon eoo eop ep- epb epe eph epn epo epp hbb hbe hbh hbn hbo hbp he- heb hee heh hen heo hep hhb hhe hhh hhn hho hhp hnb hne hnh hnn hno hob hoe hoh hon hoo hop hpb hpe hph hpn hpo hpp nbb nbe nbn nbo nbp ne- neb nee neh nen neo nep nhb nhe nhh nhn nhp nnb nne nnh nnn nno nnp no- nob noe noh non noo nop npb npe nph npn npo npp ob- obb obe obh obn obo obp oeb oee oeh oen oeo oep ohe ohh ohn oho ohp on- onb one onh onn ono onp oo- oob ooh oon ooo oop op- opb ope oph opn opo opp p-p pbb pbe pbn pbo pbp peb pee peh pen peo pep phb phe phn pho php pn- pnb pne pnh pnn pno pnp pob poe poh pon poo pop ppb ppe pph ppn ppo ppp