-al a-a a-b aaa aab aak aal aam ab- aba abb abk abl abm aka akb akk akl akm al- ala alb alk all alm ama amb amk aml amm baa bab bak bal bam bba bbb bbk bbl bbm bka bkb bkk bkl bkm bla blb blk bll blm bma bmb bmk bml bmm ka- kaa kab kak kal kam kba kbb kbk kbl kbm kkb kkk kkl kkm kl- kla klb klm kma kmb kmk kml kmm la- laa lab lak lal lam lba lbb lbk lbl lbm lka lkb lkl lla llb llk lll llm lma lmb lmk lml lmm maa mab mak mal mam mba mbb mbk mbl mbm mka mkb mkk mkl mkm mla mlb mlk mll mlm mma mmb mmk mml mmm