b-p bbb bbe bbg bbi bbn bbo bbp be- beb bee beg bei ben beo bep bgb bge bgg bgi bgn bgo bgp bi- bib bie big bii bin bio bip bnb bne bng bni bnn bno bnp bob boe bog boi bon boo bop bpb bpe bpg bpi bpn bpo bpp ebb ebe ebg ebi ebn ebo ebp eeb eee eeg een eeo eep egb ege egg egi egn ego egp eib eie eig eii ein eio eip en- enb ene eng eni enn eno enp eo- eob eoe eog eoi eon eoo eop ep- epb epe epg epi epn epo epp g-p gbe gbg gbi gbn gbo gbp ge- geb gee geg gei gen geo gep ggb ggg ggi ggn ggo ggp gib gie gig gii gin gio gip gnb gne gni gnn gno gnp gob goe gog goi gon goo gop gpb gpe gpg gpi gpn gpo gpp ibb ibe ibg ibi ibn ibo ibp ie- iee ieg iei ien iep igb ige igg igi ign igo igp iib iie iii iin iio iip in- inb ine ing ini inn ino inp io- iob ioe iog ioi ion ioo iop ipb ipe ipg ipi ipn ipo ipp n-i nbb nbe nbg nbi nbn nbo nbp ne- neb nee neg nei nen neo nep ngb nge ngg ngi ngn ngo ngp nib nie nig nii nin nio nip nnb nne nng nni nnn nno nnp no- nob noe nog noi non noo nop npb npe npg npi npn npo npp o-i ob- obb obe obg obi obn obo obp oeb oee oeg oei oen oeo oep oge ogg ogi ogn ogo ogp oib oie oii oin oio oip on- onb one ong oni onn ono onp oo- oob oog ooi oon ooo oop op- opb ope opg opi opn opo opp p-p pbb pbe pbg pbi pbn pbo pbp peb pee peg pei pen peo pep pgb pge pgg pgi pgn pgo pgp pib pie pig pii pin pio pip pn- pnb pne png pni pnn pno pnp pob poe pog poi pon poo pop ppb ppe ppg ppi ppn ppo ppp