-al -ol a-a a-b a-z aaa aab aag aal aao aaz ab- aba abb abg abl abo abz ag- aga agb agg agl ago agz al- ala alb alg all alo alz aoa aob aog aol aoo az- aza azb azg azo azz baa bab bag bal bao baz bba bbb bbg bbl bbo bga bgb bgg bgl bgo bgz bla blb blg bll blo blz boa bob bog bol boo boz bza bzo bzz gaa gab gag gal gao gaz gba gbg gbl gbo gbz gga ggb ggg ggo ggz gla glb glg gll glo glz goa gob gog gol goo goz gza gzo la- laa lab lag lal lao laz lba lbb lbg lbl lbo lga lgb lgg lgl lgo lla llb llg lll llo llz loa lob log lol loo loz lzo oaa oab oag oal oao ob- oba obb obg obl obo oga ogg ogl ogo ola olb olg oll olo oo- ooa oob oog ool ooo oza ozo ozz z-g zaa zab zag zao zaz zbb zbl zgb zgg zla zo- zoa zob zog zol zoo zzz