b-p bbb bbd bbe bbi bbk bbn bbo bbp bdb bdd bde bdi bdk bdo bdp be- beb bed bee bei bek ben beo bep bi- bib bid bie bii bik bin bio bip bkb bke bkk bkn bko bkp bnb bnd bne bni bnk bnn bno bnp bob bod boe boi bok bon boo bop bpb bpd bpe bpi bpn bpo bpp dbb dbd dbe dbi dbk dbn dbo dbp ddb ddd dde ddi ddk ddn ddo ddp de- deb ded dee dei dek den deo dep di- dib did die dii dik din dio dip dkb dke dki dkk dko dkp dnb dnd dne dni dnk dnn dno dnp dob dod doe doi dok don doo dop dpb dpd dpe dpi dpk dpn dpo dpp ebb ebd ebe ebi ebk ebn ebo ebp ed- edb edd ede edi edk edn edo edp eeb eed eee eek een eeo eep eib eid eie eii eik ein eio eip ekb ekd eke eki eko ekp en- enb end ene eni enk enn eno enp eo- eob eod eoe eoi eok eon eoo eop ep- epb epd epe epi epn epo epp i-d ibb ibd ibe ibi ibk ibn ibo ibp idb idd ide idi idk idn ido idp ie- ied iee iei iek ien iep iib iid iie iii iin iio iip ikb ike iki ikk iko in- inb ind ine ini ink inn ino inp io- iob iod ioe ioi ion ioo iop ipb ipd ipe ipi ipn ipo ipp kbb kbd kbe kbi kbk kbn kbo kbp kdb kde kdk kdo kdp ke- keb ked kee kei kek ken keo kep kib kid kie kii kik kin kio kip kkb kke kki kkk kkn kkp kn- knd kne kni knk knn kno knp kob kod koe koi kok kon koo kop kpd kpe kpi kpk kpn kpo kpp n-i nbb nbd nbe nbi nbk nbn nbo nbp ndb ndd nde ndi ndk ndn ndo ndp ne- neb ned nee nei nek nen neo nep nib nid nie nii nik nin nio nip nke nki nkk nkn nko nkp nnb nne nni nnk nnn nno nnp no- nob nod noe noi nok non noo nop npb npd npe npi npn npo npp o-i ob- obb obd obe obi obk obn obo obp odb odd ode odi odn odo odp oeb oed oee oei oen oeo oep oib oid oie oii oik oin oio oip okb okd oke oki okk oko okp on- onb ond one oni onk onn ono onp oo- oob ood ooi ook oon ooo oop op- opb opd ope opi opk opn opo opp p-p pbb pbd pbe pbi pbk pbn pbo pbp pdb pdd pde pdi pdk pdn pdo pdp peb ped pee pei pek pen peo pep pib pid pie pii pik pin pio pip pkb pkd pke pki pkn pko pkp pn- pnb pnd pne pni pnk pnn pno pnp pob pod poe poi pok pon poo pop ppb ppd ppe ppi ppk ppn ppo ppp