a-a a-b a-t aaa aab aad aae aaj aan aat ab- aba abb abd abe abj abn abt ad- ada adb add ade adj adn adt aea aeb aed aee aej aen aet aja ajb ajd aje ajj ajn ajt an- ana anb and ane anj ann ant at- ata atb atd ate atn att baa bab bad bae baj ban bat bba bbb bbd bbe bbn bbt bda bdb bdd bde bdj bdt be- bea beb bed bee ben bet bja bjd bjj bjn bjt bna bnb bnd bne bnj bnn bnt bta btb btd bte btn btt daa dab dad dae daj dan dat dba dbb dbd dbe dbn dbt dda ddb ddd dde ddn ddt de- dea deb ded dee dej den det dj- dja djb djd dje djt dna dnb dnd dne dnj dnn dnt dta dtb dtd dte dtj dtn dtt eaa eab ead eae eaj ean eat eba ebb ebd ebe ebj ebn ebt ed- eda edb edd ede edj edn edt eea eeb eed eee een eet eja ejd ejt en- ena enb end ene enn ent eta etb etd ete etj etn ett j-d jaa jab jad jae jaj jan jat jba jbj jbt jda jdb jde jdn jdt jea jeb jed jee jej jen jet jja jjb jjj jna jnd jne jnj jnn jnt jta jtb jte jtn jtt naa nab nad nae naj nan nat nba nbb nbd nbe nbn nbt nda ndb ndd nde ndn ndt ne- nea neb ned nee nej nen net nja nje njn nna nnb nne nnn nnt nta ntb ntd nte ntn ntt taa tab tad tae taj tan tat tba tbb tbd tbe tbj tbn tbt tda tdb tdd tde tdn tdt te- tea teb ted tee tej ten tet tjd tje tna tnb tnd tne tnn tnt tta ttb ttd tte ttn ttt