-al a-a a-b a-c a-z aaa aab aac aah aal aaz ab- aba abb abc abh abl abz ac- aca acb acc ach acl acz aha ahb ahc ahh ahl ahz al- ala alb alc alh all alz az- aza azb azz baa bab bac bah bal baz bba bbb bbc bbh bbl bca bcb bcc bch bcl bcz bha bhb bhc bhh bhl bla blb blc blh bll blz bza bzh bzz c-- caa cab cac cah cal caz cba cbb cbc cbh cbl cbz cca ccb ccc cch ccl ccz ch- cha chb chc chh chl chz cl- cla clb clc clh cll clz cz- czc haa hab hac hah hal haz hba hbb hbc hbh hbl hbz hca hcb hcc hch hcl hha hhb hhc hhh hhl hhz hla hlb hlc hlh hll hlz hzl la- laa lab lac lah lal laz lba lbb lbc lbh lbl lca lcb lcc lch lcl lha lhb lhc lhh lhz lla llb llc lll llz lzh zaa zab zac zah zaz zbb zbc zbl zcl zha zhc zhl zla zzz