-al -ol a-a a-t aaa aad aal aan aao aat aax ad- ada add adl adn ado adt adx al- ala ald all aln alo alt alx an- ana and anl ann ano ant anx aoa aod aol aon aoo aot aox at- ata atd atl atn ato att atx ax- axa axl axn axo axt axx daa dad dal dan dao dat dax dda ddd ddl ddn ddo ddt ddx dl- dla dld dll dlo dlt dlx dna dnd dnl dnn dno dnt doa dod dol don doo dot dox dta dtd dtl dtn dto dtt dtx dxd dxl dxn dxo dxt dxx la- laa lad lal lan lao lat lax lda ldd ldl ldn ldo ldt lla lld lll lln llo llt lna lnd lnl lnn lno lnt loa lod lol lon loo lot lox lta ltd ltl lto ltt ltx lxd lxo lxx naa nad nal nan nao nat nax nda ndd ndl ndn ndo ndt nla nld nll nln nlo nlt nlx nna nnl nnn nno nnt no- noa nod nol non noo not nox nta ntd ntn nto ntt ntx nxd nxl nxt oaa oad oal oan oao oat oax oda odd odl odn odo odt ola old oll oln olo olt on- ona ond onl onn ono ont onx oo- ooa ood ool oon ooo oot oox ot- ota otd otl otn oto ott ox- oxa oxn oxo oxt oxx t-x taa tad tal tan tao tat tax tda tdd tdl tdn tdo tdt tdx tla tld tll tln tlo tlt tlx tna tnd tnl tnn tno tnt tnx to- toa tod tol ton too tot tox tta ttd ttl ttn tto ttt ttx txl txn txt xaa xad xal xan xat xda xdt xla xld xlt xna xno xoa xod xon xoo xot xox xtx xxl xxo xxx