b-p bbb bbe bbh bbn bbo bbp be- beb bee beh ben beo bep bez bhb bhe bhh bho bhp bnb bne bnn bno bnp bnz bob boe boh bon boo bop boz bpb bpe bph bpn bpo bpp bze bzh bzn bzo bzp bzz ebb ebe ebh ebn ebo ebp eeb eee een eeo eep ehb ehe ehh ehn eho ehp en- enb ene enh enn eno enp enz eo- eob eoe eoh eon eoo eop ep- epb epe eph epn epo epp epz eze ezh ezo ezz hbb hbe hbh hbn hbo hbp hbz he- heb hee heh hen heo hep hez hhb hhe hhh hhn hho hhp hhz hnb hne hnh hnn hno hnz hob hoe hoh hon hoo hop hpb hpe hph hpn hpo hpp hze hzo hzp nbb nbe nbn nbo nbp ne- neb nee neh nen neo nep nez nhb nhe nhh nhn nhp nhz nnb nne nnh nnn nno nnp nnz no- nob noe noh non noo nop noz npb npe nph npn npo npp npz nzb nze nzo nzp nzz 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 oze ozo ozz p-p pbb pbe pbn pbo pbp pbz peb pee peh pen peo pep pez phb phe phn pho php pn- pnb pne pnh pnn pno pnp pob poe poh pon poo pop poz ppb ppe pph ppn ppo ppp ppz pzp zbb zeb zee zeh zen zeo zep zez zhe zho zne znn zno znp zo- zob zoe zon zoo zpe zpo zpp zzz