a-a a-b a-t aaa aab aad aaj aak aan aao aat ab- aba abb abd abj abk abn abo abt ad- ada adb add adj adk adn ado adt aja ajb ajd ajj ajk ajn ajo ajt aka akb akd akj akk akn ako an- ana anb and anj ank ann ano ant aoa aob aod aoj aok aon aoo aot at- ata atb atd atn ato att baa bab bad baj bak ban bao bat bba bbb bbd bbk bbn bbo bbt bda bdb bdd bdj bdk bdo bdt bja bjd bjj bjk bjn bjt bka bkb bkk bkn bko bkt bna bnb bnd bnj bnk bnn bno bnt boa bob bod boj bok bon boo bot bta btb btd btk btn bto btt daa dab dad daj dak dan dao dat dba dbb dbd dbk dbn dbo dbt dda ddb ddd ddk ddn ddo ddt dj- dja djb djd djk djo djt dka dkb dkk dko dkt dna dnb dnd dnj dnk dnn dno dnt doa dob dod doj dok don doo dot dta dtb dtd dtj dtk dtn dto dtt j-d jaa jab jad jaj jak jan jao jat jba jbj jbk jbo jbt jda jdb jdn jdo jdt jja jjb jjj jjk jka jkb jkk jkn jko jkt jna jnd jnj jnn jno jnt joa job jod joj jok jon joo jot jta jtb jtk jtn jtt k-t ka- kaa kab kad kaj kak kan kao kat kba kbb kbd kbk kbn kbo kda kdb kdk kdo kdt kjb kkb kkk kkn kkt kn- kna knd knk knn kno knt koa kob kod kok kon koo kot kta ktb ktj ktk ktn kto ktt naa nab nad naj nak nan nao nat nba nbb nbd nbk nbn nbo nbt nda ndb ndd ndk ndn ndo ndt nja njk njn nka nkj nkk nkn nko nkt nna nnb nnk nnn nno nnt no- noa nob nod noj nok non noo not nta ntb ntd ntk ntn nto ntt oaa oab oad oaj oak oan oao oat ob- oba obb obd obj obk obn obo obt oda odb odd odn odo odt oja ojb ojd ojo oka okb okd okj okk oko on- ona onb ond onj onk onn ono ont oo- ooa oob ood ook oon ooo oot ot- ota otb otd otk otn oto ott taa tab tad taj tak tan tao tat tba tbb tbd tbj tbk tbn tbo tbt tda tdb tdd tdk tdn tdo tdt tjd tjo tka tkb tkk tko tkt tna tnb tnd tnk tnn tno tnt to- toa tob tod toj tok ton too tot tta ttb ttd ttk ttn tto ttt