a-a a-b aaa aab aad aaj aan aao aar ab- aba abb abd abj abn abo abr ad- ada adb add adj adn ado adr aja ajb ajd ajj ajn ajo ajr an- ana anb and anj ann ano anr aoa aob aod aoj aon aoo aor ar- ara arb ard arj arn aro arr baa bab bad baj ban bao bar bba bbb bbd bbn bbo bbr bda bdb bdd bdj bdo bdr bja bjd bjj bjn bjr bna bnb bnd bnj bnn bno bnr boa bob bod boj bon boo bor bra brb brd brj brn bro brr daa dab dad daj dan dao dar dba dbb dbd dbn dbo dbr dda ddb ddd ddn ddo ddr dj- dja djb djd djo dna dnb dnd dnj dnn dno dnr doa dob dod doj don doo dor dra drb drd drj drn dro drr j-d jaa jab jad jaj jan jao jar jba jbj jbo jbr jda jdb jdn jdo jdr jja jjb jjj jjr jna jnd jnj jnn jno jnr joa job jod joj jon joo jor jra jrb jrn jro jrr naa nab nad naj nan nao nar nba nbb nbd nbn nbo nbr nda ndb ndd ndn ndo ndr nja njn nna nnb nnn nno no- noa nob nod noj non noo nor nra nrb nrd nrj nrn nro nrr oaa oab oad oaj oan oao oar ob- oba obb obd obj obn obo obr oda odb odd odn odo odr oja ojb ojd ojo on- ona onb ond onj onn ono onr oo- ooa oob ood oon ooo oor or- ora orb ord orn oro orr ra- raa rab rad raj ran rao rar rba rbb rbd rbn rbo rbr rda rdb rdd rdj rdn rdo rdr rja rjr rna rnb rnd rnn rno rnr roa rob rod roj ron roo ror rra rrb rrd rrn rrr