-al -ol a-a a-t aaa aaf aal aan aao aat aax af- afa aff afl afn afo aft afx al- ala alf all aln alo alt alx an- ana anf anl ann ano ant anx aoa aof aol aon aoo aot aox at- ata atf atl atn ato att atx ax- axa axl axn axo axt axx faa faf fal fan fao fat fax ffa fff ffl ffn ffo fft ffx fla flf fll fln flo flt flx fna fnf fnl fnn fnt fnx foa fof fol fon foo fot fox fta ftf ftl ftn fto ftt ftx fxt fxx la- laa laf lal lan lao lat lax lfa lff lfl lfn lfo lft lfx lla llf lll lln llo llt lna lnl lnn lno lnt loa lof lol lon loo lot lox lta ltf ltl lto ltt ltx lxo lxx naa naf nal nan nao nat nax nfa nff nfl nfn nfo nft nla nlf nll nln nlo nlt nlx nna nnf nnl nnn nno nnt no- noa nof nol non noo not nox nta ntf ntn nto ntt ntx nxl nxt oaa oaf oal oan oao oat oax of- ofa off ofl ofn ofo oft ofx ola olf oll oln olo olt on- ona onf onl onn ono ont onx oo- ooa oof ool oon ooo oot oox ot- ota otf otl otn oto ott ox- oxa oxf oxn oxo oxt oxx t-x taa taf tal tan tao tat tax tfa tff tfl tfn tfo tft tfx tla tlf tll tln tlo tlt tlx tna tnf tnl tnn tno tnt tnx to- toa tof tol ton too tot tox tta ttf ttl ttn tto ttt ttx txf txl txn txt xaa xaf xal xan xat xfa xfl xfn xft xfx xla xlf xlt xna xno xoa xof xon xoo xot xox xtf xtx xxl xxo xxx