a-a a-b a-z aaa aab aah aak aan aaz ab- aba abb abh abk abn abz aha ahb ahh ahk ahn ahz aka akb akh akk akn an- ana anb anh ank ann anz az- aza azb azn azz baa bab bah bak ban baz bba bbb bbh bbk bbn bha bhb bhh bhk bka bkb bkk bkn bna bnb bnk bnn bnz bza bzh bzn bzz haa hab hah hak han haz hba hbb hbh hbk hbn hbz hha hhb hhh hhk hhn hhz hka hkb hkh hkk hkn hna hnb hnh hnk hnn hnz k-z ka- kaa kab kah kak kan kaz kba kbb kbh kbk kbn kbz kha khh khk khn khz kkb kkh kkk kkn kn- kna knk knn naa nab nah nak nan naz nba nbb nbk nbn nha nhb nhh nhk nhn nhz nka nkk nkn nna nnb nnh nnk nnn nnz nzb nzz zaa zab zah zak zan zaz zbb zha zka znn zzz