a-a a-b aaa aab aad aah aaj aan aao ab- aba abb abd abh abj abn abo ad- ada adb add adh adj adn ado aha ahb ahd ahh ahj ahn aho aja ajb ajd ajh ajj ajn ajo an- ana anb and anh anj ann ano aoa aob aod aoh aoj aon aoo baa bab bad bah baj ban bao bba bbb bbd bbh bbn bbo bda bdb bdd bdh bdj bdo bha bhb bhd bhh bhj bho bja bjd bjj bjn bna bnb bnd bnj bnn bno boa bob bod boh boj bon boo daa dab dad dah daj dan dao dba dbb dbd dbh dbn dbo dda ddb ddd ddh ddn ddo dh- dha dhb dhd dhh dho dj- dja djb djd djo dna dnb dnd dnh dnj dnn dno doa dob dod doh doj don doo haa hab had hah haj han hao hba hbb hbd hbh hbj hbn hbo hda hdb hdd hdh hdn hdo hha hhb hhd hhh hhj hhn hho hja hjn hjo hna hnb hnd hnh hnj hnn hno hoa hob hod hoh hon hoo j-d jaa jab jad jah jaj jan jao jba jbj jbo jda jdb jdh jdn jdo jha jhd jhj jhn jho jja jjb jjj jna jnd jnh jnj jnn jno joa job jod joh joj jon joo naa nab nad nah naj nan nao nba nbb nbd nbn nbo nda ndb ndd ndh ndn ndo nha nhb nhd nhh nhj nhn nja njn nna nnb nnh nnn nno no- noa nob nod noh noj non noo oaa oab oad oah oaj oan oao ob- oba obb obd obh obj obn obo oda odb odd odh odn odo oha ohd ohh ohn oho oja ojb ojd ojo on- ona onb ond onh onj onn ono oo- ooa oob ood ooh oon ooo