-ol ddd ddl ddn ddo ddt ddx dl- dld dll dlo dlt dlx dnd dnl dnn dno dnt dod dol don doo dot dox dtd dtl dtn dto dtt dtx dxd dxl dxn dxo dxt dxx ldd ldl ldn ldo ldt lld lll lln llo llt lnd lnl lnn lno lnt lod lol lon loo lot lox ltd ltl lto ltt ltx lxd lxo lxx ndd ndl ndn ndo ndt nld nll nln nlo nlt nlx nnl nnn nno nnt no- nod nol non noo not nox ntd ntn nto ntt ntx nxd nxl nxt odd odl odn odo odt old oll oln olo olt on- ond onl onn ono ont onx oo- ood ool oon ooo oot oox ot- otd otl otn oto ott ox- oxn oxo oxt oxx t-x tdd tdl tdn tdo tdt tdx tld tll tln tlo tlt tlx tnd tnl tnn tno tnt tnx to- tod tol ton too tot tox ttd ttl ttn tto ttt ttx txl txn txt xdt xld xlt xno xod xon xoo xot xox xtx xxl xxo xxx