-ol fff ffi ffl ffn ffo ffr ffx fif fii fil fin fir fix flf fli fll fln flo flr flx fnf fni fnl fnn fnr fnx fof foi fol fon foo for fox frf fri frl frn fro frr fxi fxr fxx i-f iff ifi ifl ifn ifo ifr ifx iif iii iil iin iio iir iix il- ilf ili ill iln ilo ilr ilx in- inf ini inl inn ino inr inx io- iof ioi iol ion ioo ior ir- irf iri irl irn iro irr irx ixi ixl ixn lff lfi lfl lfn lfo lfr lfx lif lii lil lin lio lir lix llf lli lll lln llo llr lni lnl lnn lno lnr lof loi lol lon loo lor lox lrf lri lrn lro lrr lxi lxo lxr lxx n-i nff nfi nfl nfn nfo nfr nif nii nil nin nio nir nix nlf nli nll nln nlo nlr nlx nnf nni nnl nnn nno no- nof noi nol non noo nor nox nrf nri nrl nrn nro nrr nrx nxl o-i of- off ofi ofl ofn ofo ofr ofx oif oii oil oin oio oir olf oli oll oln olo on- onf oni onl onn ono onr onx oo- oof ooi ool oon ooo oor oox or- orf ori orl orn oro orr orx ox- oxf oxi oxn oxo oxx rff rfi rfl rfn rfo rfr rif rii ril rin rio rir rix rlf rli rll rln rlo rlr rni rnn rno rnr rof roi rol ron roo ror rox rrf rri rrl rrn rrr rxr xfl xfn xfx xii xin xio xix xlf xli xlr xno xof xoi xon xoo xor xox xrf xrx xxi xxl xxo xxx