b-p bbb bbe bbh bbn bbo bbp bbx be- beb bee beh ben beo bep bex bhb bhe bhh bho bhp bhx bnb bne bnn bno bnp bnx bob boe boh bon boo bop box bpb bpe bph bpn bpo bpp bpx bxb bxn bxo bxx ebb ebe ebh ebn ebo ebp ebx eeb eee een eeo eep eex 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 epx ex- exe exh exo exp exx hbb hbe hbh hbn hbo hbp hbx he- heb hee heh hen heo hep hex hhb hhe hhh hhn hho hhp hnb hne hnh hnn hno hob hoe hoh hon hoo hop hox hpb hpe hph hpn hpo hpp nbb nbe nbn nbo nbp nbx ne- neb nee neh nen neo nep nex nhb nhe nhh nhn nhp nnb nne nnh nnn nno nnp no- nob noe noh non noo nop nox npb npe nph npn npo npp ob- obb obe obh obn obo obp obx oeb oee oeh oen oeo oep oex ohe ohh ohn oho ohp on- onb one onh onn ono onp onx oo- oob ooh oon ooo oop oox op- opb ope oph opn opo opp opx ox- oxb oxn oxo oxx p-p pbb pbe pbn pbo pbp pbx peb pee peh pen peo pep pex phb phe phn pho php phx pn- pnb pne pnh pnn pno pnp pnx pob poe poh pon poo pop pox ppb ppe pph ppn ppo ppp ppx pxe xbe xbx xee xen xep xex xhp xno xon xoo xop xox xpb xpe xpn xpo xpp xxo xxp xxx