-ol bbb bbd bbf bbg bbi bbl bbn bbo bbr bdb bdd bdf bdg bdi bdl bdo bdr bfb bfd bff bfg bfi bfl bfn bfo bfr bgb bgd bgf bgg bgi bgl bgn bgo bgr bi- bib bid bif big bii bil bin bio bir blb bld blf blg bli bll bln blo blr bnb bnd bnf bng bni bnl bnn bno bnr bob bod bof bog boi bol bon boo bor brb brd brf brg bri brl brn bro brr dbb dbd dbf dbg dbi dbl dbn dbo dbr ddb ddd ddf ddg ddi ddl ddn ddo ddr dfb dfd dff dfg dfi dfl dfn dfo dfr dgd dgf dgg dgi dgl dgn dgr di- dib did dif dig dii dil din dio dir dl- dlb dld dlf dlg dli dll dlo dlr dnb dnd dnf dng dni dnl dnn dno dnr dob dod dof dog doi dol don doo dor drb drd drg dri drl drn dro drr fbb fbd fbf fbg fbi fbl fbn fbo fbr fdb fdd fdf fdg fdi fdl fdn fdo fdr ffd fff ffg ffi ffl ffn ffo ffr fgb fgd fgf fgg fgi fgl fgn fgr fib fid fif fig fii fil fin fir flb fld flf flg fli fll fln flo flr fnb fnd fnf fng fni fnl fnn fnr fob fof fog foi fol fon foo for frb frd frf frg fri frl frn fro frr g-d gbd gbf gbg gbi gbl gbn gbo gbr gdb gdd gdf gdi gdl gdn gdo gdr gfb gfd gff gfi gfl gfo gfr ggb ggd ggg ggi ggn ggo ggr gib gid gif gig gii gil gin gio gir glb gld glf glg gli gll gln glo glr gnb gnd gnf gni gnl gnn gno gnr gob god gof gog goi gol gon goo gor grb grd grf grg gri grl grn gro grr i-d i-f ibb ibd ibf ibg ibi ibl ibn ibo ibr idb idd idf idg idi idl idn ido idr ifb ifd iff ifg ifi ifl ifn ifo ifr igb igd igf igg igi igl ign igo igr iib iid iif iii iil iin iio iir il- ilb ild ilf ilg ili ill iln ilo ilr in- inb ind inf ing ini inl inn ino inr io- iob iod iof iog ioi iol ion ioo ior ir- irb ird irf irg iri irl irn iro irr lbb lbd lbf lbg lbi lbl lbo lbr ldb ldd ldf ldg ldi ldl ldn ldo ldr lfb lfd lff lfg lfi lfl lfn lfo lfr lgb lgd lgf lgg lgi lgl lgn lgo lgr lib lid lif lig lii lil lin lio lir llb lld llf llg lli lll lln llo llr lnb lnd lng lni lnl lnn lno lnr lob lod lof log loi lol lon loo lor lrb lrd lrf lrg lri lrn lro lrr n-i nbb nbd nbf nbg nbi nbl nbn nbo nbr ndb ndd ndf ndg ndi ndl ndn ndo ndr nfb nfd nff nfi nfl nfn nfo nfr ngb ngd ngf ngg ngi ngl ngn ngo nib nid nif nig nii nil nin nio nir nlb nld nlf nlg nli nll nln nlo nlr nnb nnf nng nni nnl nnn nno no- nob nod nof nog noi nol non noo nor nrb nrd nrf nrg nri nrl nrn nro nrr o-i ob- obb obd obf obg obi obl obn obo obr odb odd odf odg odi odl odn odo odr of- ofb ofd off ofg ofi ofl ofn ofo ofr ogd ogf ogg ogi ogl ogn ogo oib oid oif oii oil oin oio oir olb old olf olg oli oll oln olo on- onb ond onf ong oni onl onn ono onr oo- oob ood oof oog ooi ool oon ooo oor or- orb ord orf org ori orl orn oro orr rbb rbd rbf rbg rbi rbl rbn rbo rbr rdb rdd rdf rdg rdi rdl rdn rdo rdr rfb rfd rff rfg rfi rfl rfn rfo rfr rgb rgd rgf rgg rgi rgn rgo rgr rib rid rif rig rii ril rin rio rir rld rlf rlg rli rll rln rlo rlr rnb rnd rng rni rnn rno rnr rob rod rof rog roi rol ron roo ror rrb rrd rrf rrg rri rrl rrn rrr