b-p bbb bbe bbg bbi bbk bbn bbo bbp be- beb bee beg bei bek ben beo bep bgb bge bgg bgi bgk bgn bgo bgp bi- bib bie big bii bik bin bio bip bkb bke bkg bkk bkn bko bkp bnb bne bng bni bnk bnn bno bnp bob boe bog boi bok bon boo bop bpb bpe bpg bpi bpn bpo bpp ebb ebe ebg ebi ebk ebn ebo ebp eeb eee eeg eek een eeo eep egb ege egg egi egn ego egp eib eie eig eii eik ein eio eip ekb eke ekg eki eko ekp en- enb ene eng eni enk enn eno enp eo- eob eoe eog eoi eok eon eoo eop ep- epb epe epg epi epn epo epp g-p gbe gbg gbi gbk gbn gbo gbp ge- geb gee geg gei gek gen geo gep ggb ggg ggi ggn ggo ggp gib gie gig gii gik gin gio gip gkb gkn gko gkp gnb gne gni gnn gno gnp gob goe gog goi gok gon goo gop gpb gpe gpg gpi gpk gpn gpo gpp ibb ibe ibg ibi ibk ibn ibo ibp ie- iee ieg iei iek ien iep igb ige igg igi igk ign igo igp iib iie iii iin iio iip ikb ike iki ikk iko in- inb ine ing ini ink inn ino inp io- iob ioe iog ioi ion ioo iop ipb ipe ipg ipi ipn ipo ipp kbb kbe kbi kbk kbn kbo kbp ke- keb kee keg kei kek ken keo kep kgb kgi kgo kgp kib kie kig kii kik kin kio kip kkb kke kki kkk kkn kkp kn- kne kng kni knk knn kno knp kob koe kog koi kok kon koo kop kpe kpi kpk kpn kpo kpp n-i nbb nbe nbg nbi nbk nbn nbo nbp ne- neb nee neg nei nek nen neo nep ngb nge ngg ngi ngk ngn ngo ngp nib nie nig nii nik nin nio nip nke nki nkk nkn nko nkp nnb nne nng nni nnk nnn nno nnp no- nob noe nog noi nok non noo nop npb npe npg npi npn npo npp o-i ob- obb obe obg obi obk obn obo obp oeb oee oeg oei oen oeo oep oge ogg ogi ogn ogo ogp oib oie oii oik oin oio oip okb oke okg oki okk oko okp on- onb one ong oni onk onn ono onp oo- oob oog ooi ook oon ooo oop op- opb ope opg opi opk opn opo opp p-p pbb pbe pbg pbi pbk pbn pbo pbp peb pee peg pei pek pen peo pep pgb pge pgg pgi pgk pgn pgo pgp pib pie pig pii pik pin pio pip pkb pke pkg pki pkn pko pkp pn- pnb pne png pni pnk pnn pno pnp pob poe pog poi pok pon poo pop ppb ppe ppg ppi ppk ppn ppo ppp