a-a a-b aaa aab aad aaj aan aar ab- aba abb abd abj abn abr ad- ada adb add adj adn adr aja ajb ajd ajj ajn ajr an- ana anb and anj ann anr ar- ara arb ard arj arn arr baa bab bad baj ban bar bba bbb bbd bbn bbr bda bdb bdd bdj bdr bja bjd bjj bjn bjr bna bnb bnd bnj bnn bnr bra brb brd brj brn brr daa dab dad daj dan dar dba dbb dbd dbn dbr dda ddb ddd ddn ddr dj- dja djb djd dna dnb dnd dnj dnn dnr dra drb drd drj drn drr j-d jaa jab jad jaj jan jar jba jbj jbr jda jdb jdn jdr jja jjb jjj jjr jna jnd jnj jnn jnr jra jrb jrn jrr naa nab nad naj nan nar nba nbb nbd nbn nbr nda ndb ndd ndn ndr nja njn nna nnb nnn nra nrb nrd nrj nrn nrr ra- raa rab rad raj ran rar rba rbb rbd rbn rbr rda rdb rdd rdj rdn rdr rja rjr rna rnb rnd rnn rnr rra rrb rrd rrn rrr