a-a a-b a-t aaa aab aad aaf aaj aan aao aat ab- aba abb abd abf abj abn abo abt ad- ada adb add adf adj adn ado adt af- afa afb afd aff afj afn afo aft aja ajb ajd ajf ajj ajn ajo ajt an- ana anb and anf anj ann ano ant aoa aob aod aof aoj aon aoo aot at- ata atb atd atf atn ato att baa bab bad baf baj ban bao bat bba bbb bbd bbf bbn bbo bbt bda bdb bdd bdf bdj bdo bdt bfa bfb bfd bff bfj bfn bfo bft bja bjd bjf bjj bjn bjt bna bnb bnd bnf bnj bnn bno bnt boa bob bod bof boj bon boo bot bta btb btd btf btn bto btt daa dab dad daf daj dan dao dat dba dbb dbd dbf dbn dbo dbt dda ddb ddd ddf ddn ddo ddt dfa dfb dfd dff dfj dfn dfo dft dj- dja djb djd djf djo djt dna dnb dnd dnf dnj dnn dno dnt doa dob dod dof doj don doo dot dta dtb dtd dtf dtj dtn dto dtt faa fab fad faf faj fan fao fat fba fbb fbd fbf fbn fbo fbt fda fdb fdd fdf fdj fdn fdo fdt ffa ffd fff ffn ffo fft fja fjb fjd fna fnb fnd fnf fnj fnn fnt foa fob fof fon foo fot fta ftb ftd ftf ftn fto ftt j-d jaa jab jad jaf jaj jan jao jat jba jbf jbj jbo jbt jda jdb jdf jdn jdo jdt jfa jfb jfd jff jfj jfo jft jja jjb jjf jjj jna jnd jnf jnj jnn jno jnt joa job jod jof joj jon joo jot jta jtb jtf jtn jtt naa nab nad naf naj nan nao nat nba nbb nbd nbf nbn nbo nbt nda ndb ndd ndf ndn ndo ndt nfa nfb nfd nff nfn nfo nft nja njf njn nna nnb nnf nnn nno nnt no- noa nob nod nof noj non noo not nta ntb ntd ntf ntn nto ntt oaa oab oad oaf oaj oan oao oat ob- oba obb obd obf obj obn obo obt oda odb odd odf odn odo odt of- ofa ofb ofd off ofn ofo oft oja ojb ojd ojo on- ona onb ond onf onj onn ono ont oo- ooa oob ood oof oon ooo oot ot- ota otb otd otf otn oto ott taa tab tad taf taj tan tao tat tba tbb tbd tbf tbj tbn tbo tbt tda tdb tdd tdf tdn tdo tdt tfa tfb tfd tff tfj tfn tfo tft tjd tjf tjo tna tnb tnd tnf tnn tno tnt to- toa tob tod tof toj ton too tot tta ttb ttd ttf ttn tto ttt