-al a-a a-b a-z aaa aab aaf aag aal aaz ab- aba abb abf abg abl abz af- afa afb aff afg afl afz ag- aga agb agf agg agl agz al- ala alb alf alg all alz az- aza azb azf azg azz baa bab baf bag bal baz bba bbb bbf bbg bbl bfa bfb bff bfg bfl bfz bga bgb bgf bgg bgl bgz bla blb blf blg bll blz bza bzf bzz faa fab faf fag fal faz fba fbb fbf fbg fbl ffa fff ffg ffl ffz fga fgb fgf fgg fgl fgz fla flb flf flg fll gaa gab gaf gag gal gaz gba gbf gbg gbl gbz gfa gfb gff gfl gfz gga ggb ggg ggz gla glb glf glg gll glz gza la- laa lab laf lag lal laz lba lbb lbf lbg lbl lfa lfb lff lfg lfl lga lgb lgf lgg lgl lla llb llf llg lll llz z-g zaa zab zaf zag zaz zbb zbl zfa zgb zgg zla zzz