-ol b-p bbb bbe bbg bbi bbl bbn bbo bbp be- beb bee beg bei bel ben beo bep bgb bge bgg bgi bgl bgn bgo bgp bi- bib bie big bii bil bin bio bip blb ble blg bli bll bln blo blp bnb bne bng bni bnl bnn bno bnp bob boe bog boi bol bon boo bop bpb bpe bpg bpi bpl bpn bpo bpp ebb ebe ebg ebi ebl ebn ebo ebp eeb eee eeg eel een eeo eep egb ege egg egi egl egn ego egp eib eie eig eii eil ein eio eip elb ele elg eli ell eln elo elp en- enb ene eng eni enl enn eno enp eo- eob eoe eog eoi eol eon eoo eop ep- epb epe epg epi epl epn epo epp g-p gbe gbg gbi gbl gbn gbo gbp ge- geb gee geg gei gel gen geo gep ggb ggg ggi ggn ggo ggp gib gie gig gii gil gin gio gip glb gle glg gli gll gln glo glp gnb gne gni gnl gnn gno gnp gob goe gog goi gol gon goo gop gpb gpe gpg gpi gpl gpn gpo gpp ibb ibe ibg ibi ibl ibn ibo ibp ie- iee ieg iei iel ien iep igb ige igg igi igl ign igo igp iib iie iii iil iin iio iip il- ilb ile ilg ili ill iln ilo ilp in- inb ine ing ini inl inn ino inp io- iob ioe iog ioi iol ion ioo iop ipb ipe ipg ipi ipl ipn ipo ipp l-p lbb lbe lbg lbi lbl lbo lbp leb lee leg lei lel len leo lep lgb lge lgg lgi lgl lgn lgo lgp lib lie lig lii lil lin lio lip llb lle llg lli lll lln llo llp lnb lne lng lni lnl lnn lno lnp lob loe log loi lol lon loo lop lpb lpe lpg lpi lpl lpn lpo lpp n-i nbb nbe nbg nbi nbl nbn nbo nbp ne- neb nee neg nei nel nen neo nep ngb nge ngg ngi ngl ngn ngo ngp nib nie nig nii nil nin nio nip nlb nle nlg nli nll nln nlo nlp nnb nne nng nni nnl nnn nno nnp no- nob noe nog noi nol non noo nop npb npe npg npi npl npn npo npp o-i ob- obb obe obg obi obl obn obo obp oeb oee oeg oei oel oen oeo oep oge ogg ogi ogl ogn ogo ogp oib oie oii oil oin oio oip olb ole olg oli oll oln olo olp on- onb one ong oni onl onn ono onp oo- oob oog ooi ool oon ooo oop op- opb ope opg opi opl opn opo opp p-p pbb pbe pbg pbi pbl pbn pbo pbp peb pee peg pei pel pen peo pep pgb pge pgg pgi pgl pgn pgo pgp pib pie pig pii pil pin pio pip plb ple plg pli pll pln plo plp pn- pnb pne png pni pnl pnn pno pnp pob poe pog poi pol pon poo pop ppb ppe ppg ppi ppl ppn ppo ppp