-ol b-p bbb bbe bbi bbl bbn bbo bbp be- beb bee bei bel ben beo bep bi- bib bie bii bil bin bio bip blb ble bli bll bln blo blp bnb bne bni bnl bnn bno bnp bob boe boi bol bon boo bop bpb bpe bpi bpl bpn bpo bpp ebb ebe ebi ebl ebn ebo ebp eeb eee eel een eeo eep eib eie eii eil ein eio eip elb ele eli ell eln elo elp en- enb ene eni enl enn eno enp eo- eob eoe eoi eol eon eoo eop ep- epb epe epi epl epn epo epp ibb ibe ibi ibl ibn ibo ibp ie- iee iei iel ien iep iib iie iii iil iin iio iip il- ilb ile ili ill iln ilo ilp in- inb ine ini inl inn ino inp io- iob ioe ioi iol ion ioo iop ipb ipe ipi ipl ipn ipo ipp l-p lbb lbe lbi lbl lbo lbp leb lee lei lel len leo lep lib lie lii lil lin lio lip llb lle lli lll lln llo llp lnb lne lni lnl lnn lno lnp lob loe loi lol lon loo lop lpb lpe lpi lpl lpn lpo lpp n-i nbb nbe nbi nbl nbn nbo nbp ne- neb nee nei nel nen neo nep nib nie nii nil nin nio nip nlb nle nli nll nln nlo nlp nnb nne nni nnl nnn nno nnp no- nob noe noi nol non noo nop npb npe npi npl npn npo npp o-i ob- obb obe obi obl obn obo obp oeb oee oei oel oen oeo oep oib oie oii oil oin oio oip olb ole oli oll oln olo olp on- onb one oni onl onn ono onp oo- oob ooi ool oon ooo oop op- opb ope opi opl opn opo opp p-p pbb pbe pbi pbl pbn pbo pbp peb pee pei pel pen peo pep pib pie pii pil pin pio pip plb ple pli pll pln plo plp pn- pnb pne pni pnl pnn pno pnp pob poe poi pol pon poo pop ppb ppe ppi ppl ppn ppo ppp