-ol fff ffi ffl ffn ffo fft ffx fif fii fil fin fit fix flf fli fll fln flo flt flx fnf fni fnl fnn fnt fnx fof foi fol fon foo fot fox ftf fti ftl ftn fto ftt ftx fxi fxt fxx i-f iff ifi ifl ifn ifo ift ifx iif iii iil iin iio iit iix il- ilf ili ill iln ilo ilt ilx in- inf ini inl inn ino int inx io- iof ioi iol ion ioo iot itf iti itl itn ito itt itx ixi ixl ixn lff lfi lfl lfn lfo lft lfx lif lii lil lin lio lit lix llf lli lll lln llo llt lni lnl lnn lno lnt lof loi lol lon loo lot lox ltf lti ltl lto ltt ltx lxi lxo lxx n-i nff nfi nfl nfn nfo nft nif nii nil nin nio nit nix nlf nli nll nln nlo nlt nlx nnf nni nnl nnn nno nnt no- nof noi nol non noo not nox ntf nti ntn nto ntt ntx nxl nxt o-i of- off ofi ofl ofn ofo oft ofx oif oii oil oin oio oit olf oli oll oln olo olt on- onf oni onl onn ono ont onx oo- oof ooi ool oon ooo oot oox ot- otf oti otl otn oto ott ox- oxf oxi oxn oxo oxt oxx t-x tff tfi tfl tfn tfo tft tfx tif tii til tin tio tit tix tlf tli tll tln tlo tlt tlx tnf tni tnl tnn tno tnt tnx to- tof toi tol ton too tot tox ttf tti ttl ttn tto ttt ttx txf txi txl txn txt xfl xfn xft xfx xii xin xio xit xix xlf xli xlt xno xof xoi xon xoo xot xox xtf xti xtx xxi xxl xxo xxx