b-p bbb bbd bbe bbi bbn bbp bbt bdb bdd bde bdi bdp bdt be- beb bed bee bei ben bep bet bi- bib bid bie bii bin bip bit bnb bnd bne bni bnn bnp bnt bpb bpd bpe bpi bpn bpp bpt btb btd bte bti btn btp btt dbb dbd dbe dbi dbn dbp dbt ddb ddd dde ddi ddn ddp ddt de- deb ded dee dei den dep det di- dib did die dii din dip dit dnb dnd dne dni dnn dnp dnt dpb dpd dpe dpi dpn dpp dpt dtb dtd dte dti dtn dtp dtt ebb ebd ebe ebi ebn ebp ebt ed- edb edd ede edi edn edp edt eeb eed eee een eep eet eib eid eie eii ein eip eit en- enb end ene eni enn enp ent ep- epb epd epe epi epn epp ept etb etd ete eti etn etp ett i-d ibb ibd ibe ibi ibn ibp ibt idb idd ide idi idn idp idt ie- ied iee iei ien iep iet iib iid iie iii iin iip iit in- inb ind ine ini inn inp int ipb ipd ipe ipi ipn ipp ipt itb itd ite iti itn itp itt n-i nbb nbd nbe nbi nbn nbp nbt ndb ndd nde ndi ndn ndp ndt ne- neb ned nee nei nen nep net nib nid nie nii nin nip nit nnb nne nni nnn nnp nnt npb npd npe npi npn npp npt ntb ntd nte nti ntn ntp ntt p-p pbb pbd pbe pbi pbn pbp pbt pdb pdd pde pdi pdn pdp pdt peb ped pee pei pen pep pet pib pid pie pii pin pip pit pn- pnb pnd pne pni pnn pnp pnt ppb ppd ppe ppi ppn ppp ppt pt- ptb ptd pte pti ptn ptp ptt tbb tbd tbe tbi tbn tbp tbt tdb tdd tde tdi tdn tdp tdt te- teb ted tee tei ten tep tet tib tid tie tii tin tip tit tnb tnd tne tni tnn tnp tnt tpb tpd tpe tpi tpn tpp tpt ttb ttd tte tti ttn ttp ttt