-al -ol a-a aaa aad aaf aal aan aao aax ad- ada add adf adl adn ado adx af- afa afd aff afl afn afo afx al- ala ald alf all aln alo alx an- ana and anf anl ann ano anx aoa aod aof aol aon aoo aox ax- axa axl axn axo axx daa dad daf dal dan dao dax dda ddd ddf ddl ddn ddo ddx dfa dfd dff dfl dfn dfo dfx dl- dla dld dlf dll dlo dlx dna dnd dnf dnl dnn dno doa dod dof dol don doo dox dxd dxl dxn dxo dxx faa fad faf fal fan fao fax fda fdd fdf fdl fdn fdo fdx ffa ffd fff ffl ffn ffo ffx fla fld flf fll fln flo flx fna fnd fnf fnl fnn fnx foa fof fol fon foo fox fxx la- laa lad laf lal lan lao lax lda ldd ldf ldl ldn ldo lfa lfd lff lfl lfn lfo lfx lla lld llf lll lln llo lna lnd lnl lnn lno loa lod lof lol lon loo lox lxd lxo lxx naa nad naf nal nan nao nax nda ndd ndf ndl ndn ndo nfa nfd nff nfl nfn nfo nla nld nlf nll nln nlo nlx nna nnf nnl nnn nno no- noa nod nof nol non noo nox nxd nxl oaa oad oaf oal oan oao oax oda odd odf odl odn odo of- ofa ofd off ofl ofn ofo ofx ola old olf oll oln olo on- ona ond onf onl onn ono onx oo- ooa ood oof ool oon ooo oox ox- oxa oxf oxn oxo oxx xaa xad xaf xal xan xda xdf xfa xfl xfn xfx xla xld xlf xna xno xoa xod xof xon xoo xox xxl xxo xxx