b-p bbb bbe bbg bbi bbk bbn bbp be- beb bee beg bei bek ben bep bgb bge bgg bgi bgk bgn bgp bi- bib bie big bii bik bin bip bkb bke bkg bkk bkn bkp bnb bne bng bni bnk bnn bnp bpb bpe bpg bpi bpn bpp ebb ebe ebg ebi ebk ebn ebp eeb eee eeg eek een eep egb ege egg egi egn egp eib eie eig eii eik ein eip ekb eke ekg eki ekp en- enb ene eng eni enk enn enp ep- epb epe epg epi epn epp g-p gbe gbg gbi gbk gbn gbp ge- geb gee geg gei gek gen gep ggb ggg ggi ggn ggp gib gie gig gii gik gin gip gkb gkn gkp gnb gne gni gnn gnp gpb gpe gpg gpi gpk gpn gpp ibb ibe ibg ibi ibk ibn ibp ie- iee ieg iei iek ien iep igb ige igg igi igk ign igp iib iie iii iin iip ikb ike iki ikk in- inb ine ing ini ink inn inp ipb ipe ipg ipi ipn ipp kbb kbe kbi kbk kbn kbp ke- keb kee keg kei kek ken kep kgb kgi kgp kib kie kig kii kik kin kip kkb kke kki kkk kkn kkp kn- kne kng kni knk knn knp kpe kpi kpk kpn kpp n-i nbb nbe nbg nbi nbk nbn nbp ne- neb nee neg nei nek nen nep ngb nge ngg ngi ngk ngn ngp nib nie nig nii nik nin nip nke nki nkk nkn nkp nnb nne nng nni nnk nnn nnp npb npe npg npi npn npp p-p pbb pbe pbg pbi pbk pbn pbp peb pee peg pei pek pen pep pgb pge pgg pgi pgk pgn pgp pib pie pig pii pik pin pip pkb pke pkg pki pkn pkp pn- pnb pne png pni pnk pnn pnp ppb ppe ppg ppi ppk ppn ppp