-al a-a a-b aaa aab aag aal aam ab- aba abb abg abl abm ag- aga agb agg agl agm al- ala alb alg all alm ama amb amg aml amm baa bab bag bal bam bba bbb bbg bbl bbm bga bgb bgg bgl bgm bla blb blg bll blm bma bmb bmg bml bmm gaa gab gag gal gam gba gbg gbl gbm gga ggb ggg ggm gla glb glg gll glm gma gmb gmg gml gmm la- laa lab lag lal lam lba lbb lbg lbl lbm lga lgb lgg lgl lgm lla llb llg lll llm lma lmb lmg lml lmm maa mab mag mal mam mba mbb mbg mbl mbm mga mgb mgl mgm mla mlb mlg mll mlm mma mmb mmg mml mmm