b-p bbb bbe bbf bbg bbi bbn bbo bbp be- beb bee bef beg bei ben beo bep bfb bfe bff bfg bfi bfn bfo bfp bgb bge bgf bgg bgi bgn bgo bgp bi- bib bie bif big bii bin bio bip bnb bne bnf bng bni bnn bno bnp bob boe bof bog boi bon boo bop bpb bpe bpf bpg bpi bpn bpo bpp ebb ebe ebf ebg ebi ebn ebo ebp eeb eee eef eeg een eeo eep ef- efb efe eff efg efi efo efp egb ege egf egg egi egn ego egp eib eie eif eig eii ein eio eip en- enb ene enf eng eni enn eno enp eo- eob eoe eof eog eoi eon eoo eop ep- epb epe epf epg epi epn epo epp fbb fbe fbf fbg fbi fbn fbo fbp feb fee fef feg fei fen feo fep ffe fff ffg ffi ffn ffo ffp fgb fge fgf fgg fgi fgn fgp fib fie fif fig fii fin fip fnb fne fnf fng fni fnn fnp fob foe fof fog foi fon foo fop fpb fpe fpg fpi fpn fpo fpp g-p gbe gbf gbg gbi gbn gbo gbp ge- geb gee gef geg gei gen geo gep gfb gfe gff gfi gfo gfp ggb ggg ggi ggn ggo ggp gib gie gif gig gii gin gio gip gnb gne gnf gni gnn gno gnp gob goe gof gog goi gon goo gop gpb gpe gpf gpg gpi gpn gpo gpp i-f ibb ibe ibf ibg ibi ibn ibo ibp ie- iee ief ieg iei ien iep ifb ife iff ifg ifi ifn ifo ifp igb ige igf igg igi ign igo igp iib iie iif iii iin iio iip in- inb ine inf ing ini inn ino inp io- iob ioe iof iog ioi ion ioo iop ipb ipe ipf ipg ipi ipn ipo ipp n-i nbb nbe nbf nbg nbi nbn nbo nbp ne- neb nee nef neg nei nen neo nep nfb nfe nff nfi nfn nfo nfp ngb nge ngf ngg ngi ngn ngo ngp nib nie nif nig nii nin nio nip nnb nne nnf nng nni nnn nno nnp no- nob noe nof nog noi non noo nop npb npe npf npg npi npn npo npp o-i ob- obb obe obf obg obi obn obo obp oeb oee oef oeg oei oen oeo oep of- ofb ofe off ofg ofi ofn ofo ofp oge ogf ogg ogi ogn ogo ogp oib oie oif oii oin oio oip on- onb one onf ong oni onn ono onp oo- oob oof oog ooi oon ooo oop op- opb ope opf opg opi opn opo opp p-p pbb pbe pbf pbg pbi pbn pbo pbp peb pee pef peg pei pen peo pep pfb pfe pff pfg pfi pfn pfo pfp pgb pge pgf pgg pgi pgn pgo pgp pib pie pif pig pii pin pio pip pn- pnb pne pnf png pni pnn pno pnp pob poe pof pog poi pon poo pop ppb ppe ppf ppg ppi ppn ppo ppp