-ol ddd dde ddl ddn ddo ddx de- ded dee del den deo dex dl- dld dle dll dlo dlx dnd dne dnl dnn dno dod doe dol don doo dox dxd dxl dxn dxo dxx ed- edd ede edl edn edo edx eed eee eel een eeo eex eld ele ell eln elo elx en- end ene enl enn eno eo- eod eoe eol eon eoo ex- exd exe exl exo exx ldd lde ldl ldn ldo led lee lel len leo lex lld lle lll lln llo lnd lne lnl lnn lno lod loe lol lon loo lox lxd lxo lxx ndd nde ndl ndn ndo ne- ned nee nel nen neo nex nld nle nll nln nlo nlx nne nnl nnn nno no- nod noe nol non noo nox nxd nxl odd ode odl odn odo oed oee oel oen oeo oex old ole oll oln olo on- ond one onl onn ono onx oo- ood ool oon ooo oox ox- oxn oxo oxx xde xed xee xel xen xex xld xno xod xon xoo xox xxl xxo xxx