-al a-a a-b a-t aaa aab aak aal aam aat ab- aba abb abk abl abm abt aka akb akk akl akm al- ala alb alk all alm alt ama amb amk aml amm amt at- ata atb atl atm att baa bab bak bal bam bat bba bbb bbk bbl bbm bbt bka bkb bkk bkl bkm bkt bla blb blk bll blm blt bma bmb bmk bml bmm bmt bta btb btk btl btm btt k-t ka- kaa kab kak kal kam kat kba kbb kbk kbl kbm kkb kkk kkl kkm kkt kl- kla klb klm klt kma kmb kmk kml kmm kmt kta ktb ktk ktl ktm ktt la- laa lab lak lal lam lat lba lbb lbk lbl lbm lbt lka lkb lkl lkt lla llb llk lll llm llt lma lmb lmk lml lmm lmt lta ltb ltk ltl ltm ltt maa mab mak mal mam mat mba mbb mbk mbl mbm mbt mka mkb mkk mkl mkm mkt mla mlb mlk mll mlm mlt mma mmb mmk mml mmm mmt mta mtb mtk mtl mtm mtt taa tab tak tal tam tat tba tbb tbk tbl tbm tbt tka tkb tkk tkl tkm tkt tla tlk tll tlm tlt tma tmb tmk tml tmm tmt tta ttb ttk ttl ttm ttt