-al a-a a-b a-t aaa aab aad aae aak aal aan aat ab- aba abb abd abe abk abl abn abt ad- ada adb add ade adk adl adn adt aea aeb aed aee aek ael aen aet aka akb akd ake akk akl akn al- ala alb ald ale alk all aln alt an- ana anb and ane ank anl ann ant at- ata atb atd ate atl atn att baa bab bad bae bak bal ban bat bba bbb bbd bbe bbk bbl bbn bbt bda bdb bdd bde bdk bdl bdt be- bea beb bed bee bek bel ben bet bka bkb bke bkk bkl bkn bkt bla blb bld ble blk bll bln blt bna bnb bnd bne bnk bnl bnn bnt bta btb btd bte btk btl btn btt daa dab dad dae dak dal dan dat dba dbb dbd dbe dbk dbl dbn dbt dda ddb ddd dde ddk ddl ddn ddt de- dea deb ded dee dek del den det dka dkb dke dkk dkl dkt dl- dla dlb dld dle dlk dll dlt dna dnb dnd dne dnk dnl dnn dnt dta dtb dtd dte dtk dtl dtn dtt eaa eab ead eae eak eal ean eat eba ebb ebd ebe ebk ebl ebn ebt ed- eda edb edd ede edk edl edn edt eea eeb eed eee eek eel een eet eka ekb ekd eke ekl ekt ela elb eld ele elk ell eln elt en- ena enb end ene enk enl enn ent eta etb etd ete etk etl etn ett k-t ka- kaa kab kad kae kak kal kan kat kba kbb kbd kbe kbk kbl kbn kda kdb kde kdk kdl kdt ke- kea keb ked kee kek kel ken ket kkb kke kkk kkl kkn kkt kl- kla klb kld klt kn- kna knd kne knk knl knn knt kta ktb kte ktk ktl ktn ktt la- laa lab lad lae lak lal lan lat lba lbb lbd lbe lbk lbl lbt lda ldb ldd lde ldk ldl ldn ldt lea leb led lee lek lel len let lka lkb lkl lkt lla llb lld lle llk lll lln llt lna lnb lnd lne lnk lnl lnn lnt lta ltb ltd lte ltk ltl ltt naa nab nad nae nak nal nan nat nba nbb nbd nbe nbk nbl nbn nbt nda ndb ndd nde ndk ndl ndn ndt ne- nea neb ned nee nek nel nen net nka nke nkk nkn nkt nla nlb nld nle nlk nll nln nlt nna nnb nne nnk nnl nnn nnt nta ntb ntd nte ntk ntn ntt taa tab tad tae tak tal tan tat tba tbb tbd tbe tbk tbl tbn tbt tda tdb tdd tde tdk tdl tdn tdt te- tea teb ted tee tek tel ten tet tka tkb tke tkk tkl tkt tla tld tle tlk tll tln tlt tna tnb tnd tne tnk tnl tnn tnt tta ttb ttd tte ttk ttl ttn ttt