a-a a-b a-z aaa aab aaj aak aar aaz ab- aba abb abj abk abr abz aja ajb ajj ajk ajr aka akb akj akk akr ar- ara arb arj ark arr arz az- aza azb azz baa bab baj bak bar baz bba bbb bbk bbr bja bjj bjk bjr bka bkb bkk bkr bra brb brj brk brr brz bza bzr bzz j-z jaa jab jaj jak jar jaz jba jbj jbk jbr jbz jja jjb jjj jjk jjr jka jkb jkk jkr jra jrb jrk jrr jrz k-z ka- kaa kab kaj kak kar kaz kba kbb kbk kbr kbz kjb kjr kkb kkk kkr kra krk krr ra- raa rab raj rak rar raz rba rbb rbk rbr rja rjk rjr rkb rkk rkz rra rrb rrk rrr rza rzb zaa zab zaj zak zar zaz zbb zbr zka zzr zzz