a-a a-b a-z aaa aab aah aan aas aaz ab- aba abb abh abn abs abz aha ahb ahh ahn ahs ahz an- ana anb anh ann ans anz as- asa asb ash asn ass asz az- aza azb azn azs azz baa bab bah ban bas baz bba bbb bbh bbn bbs bha bhb bhh bhs bna bnb bnn bns bnz bsa bsb bsh bsn bss bza bzh bzn bzs bzz haa hab hah han has haz hba hbb hbh hbn hbs hbz hha hhb hhh hhn hhs hhz hna hnb hnh hnn hns hnz hsa hsb hsh hsn hss hsz hzs naa nab nah nan nas naz nba nbb nbn nbs nha nhb nhh nhn nhs nhz nna nnb nnh nnn nns nnz nsa nsb nsh nsn nss nsz nzb nzs nzz saa sab sah san sas saz sba sbb sbh sbn sbs sh- sha shb shh shn shs sna snb snn sns ss- ssa ssb ssh ssn sss ssz sza zaa zab zah zan zas zaz zbb zbs zha zhs znn zns zsa zsh zsz zzs zzz