-al a-a aaa aad aaf aal aam ad- ada add adf adl adm af- afa afd aff afl afm al- ala ald alf all alm ama amd amf aml amm daa dad daf dal dam dda ddd ddf ddl ddm dfa dfd dff dfl dfm dl- dla dld dlf dll dlm dma dmd dmf dml dmm faa fad faf fal fam fda fdd fdf fdl fdm ffa ffd fff ffl ffm fla fld flf fll flm fma fmd fmf fml fmm la- laa lad laf lal lam lda ldd ldf ldl ldm lfa lfd lff lfl lfm lla lld llf lll llm lma lmd lmf lml lmm m-f maa mad maf mal mam mda mdd mdf mdl mdm mfa mfd mff mfl mfm mla mld mlf mll mlm mma mmd mmf mml mmm