a-a a-b a-z aaa aab aah aak aas aaz ab- aba abb abh abk abs abz aha ahb ahh ahk ahs ahz aka akb akh akk aks as- asa asb ash ask ass asz az- aza azb azs azz baa bab bah bak bas baz bba bbb bbh bbk bbs bha bhb bhh bhk bhs bka bkb bkk bks bsa bsb bsh bsk bss bza bzh bzs bzz haa hab hah hak has haz hba hbb hbh hbk hbs hbz hha hhb hhh hhk hhs hhz hka hkb hkh hkk hks hsa hsb hsh hsk hss hsz hzs k-z ka- kaa kab kah kak kas kaz kba kbb kbh kbk kbs kbz kha khh khk khs khz kkb kkh kkk kks ksa ksb ksh ksk kss saa sab sah sak sas saz sba sbb sbh sbk sbs sh- sha shb shh shk shs sk- ska skb skh skk sks ss- ssa ssb ssh ssk sss ssz sza zaa zab zah zak zas zaz zbb zbs zha zhs zka zks zsa zsh zsz zzs zzz