b-p bbb bbd bbe bbi bbn bbp bdb bdd bde bdi bdp bdz be- beb bed bee bei ben bep bez bi- bib bid bie bii bin bip biz bnb bnd bne bni bnn bnp bnz bpb bpd bpe bpi bpn bpp bzd bze bzn bzp bzz dbb dbd dbe dbi dbn dbp dbz ddb ddd dde ddi ddn ddp ddz de- deb ded dee dei den dep dez di- dib did die dii din dip diz dnb dnd dne dni dnn dnp dnz dpb dpd dpe dpi dpn dpp dpz dzb dzd dze dzi dzp ebb ebd ebe ebi ebn ebp ed- edb edd ede edi edn edp eeb eed eee een eep eib eid eie eii ein eip en- enb end ene eni enn enp enz ep- epb epd epe epi epn epp epz eze ezz i-d ibb ibd ibe ibi ibn ibp ibz idb idd ide idi idn idp ie- ied iee iei ien iep iib iid iie iii iin iip in- inb ind ine ini inn inp ipb ipd ipe ipi ipn ipp ize izi izz n-i nbb nbd nbe nbi nbn nbp ndb ndd nde ndi ndn ndp ne- neb ned nee nei nen nep nez nib nid nie nii nin nip niz nnb nne nni nnn nnp nnz npb npd npe npi npn npp npz nzb nzd nze nzi nzp nzz p-p pbb pbd pbe pbi pbn pbp pbz pdb pdd pde pdi pdn pdp pdz peb ped pee pei pen pep pez pib pid pie pii pin pip piz pn- pnb pnd pne pni pnn pnp ppb ppd ppe ppi ppn ppp ppz pzp zbb zeb zed zee zen zep zez zib zid zie zin zip ziz znd zne znn znp zpe zpi zpp zzz