a-a a-b a-z aaa aab aaj aan aar aaz ab- aba abb abj abn abr abz aja ajb ajj ajn ajr an- ana anb anj ann anr anz ar- ara arb arj arn arr arz az- aza azb azn azz baa bab baj ban bar baz bba bbb bbn bbr bja bjj bjn bjr bna bnb bnj bnn bnr bnz bra brb brj brn brr brz bza bzn bzr bzz j-z jaa jab jaj jan jar jaz jba jbj jbr jbz jja jjb jjj jjr jna jnj jnn jnr jra jrb jrn jrr jrz naa nab naj nan nar naz nba nbb nbn nbr nja njn nna nnb nnn nnz nra nrb nrj nrn nrr nrz nzb nzz ra- raa rab raj ran rar raz rba rbb rbn rbr rja rjr rna rnb rnn rnr rnz rra rrb rrn rrr rza rzb zaa zab zaj zan zar zaz zbb zbr znn zzr zzz