a-a a-b a-z aaa aab aah aak aar aaz ab- aba abb abh abk abr abz aha ahb ahh ahk ahr ahz aka akb akh akk akr ar- ara arb arh ark arr arz az- aza azb azz baa bab bah bak bar baz bba bbb bbh bbk bbr bha bhb bhh bhk bhr bka bkb bkk bkr bra brb brh brk brr brz bza bzh bzr bzz haa hab hah hak har haz hba hbb hbh hbk hbr hbz hha hhb hhh hhk hhr hhz hka hkb hkh hkk hkr hr- hra hrb hrh hrk hrr hrz k-z ka- kaa kab kah kak kar kaz kba kbb kbh kbk kbr kbz kha khh khk khr khz kkb kkh kkk kkr kra krk krr ra- raa rab rah rak rar raz rba rbb rbh rbk rbr rh- rha rhb rhh rhr rkb rkk rkz rra rrb rrh rrk rrr rza rzb zaa zab zah zak zar zaz zbb zbr zha zhr zka zrh zzr zzz