ddd ddi ddl ddm ddx di- did dii dil dim dix dl- dld dli dll dlm dlx dmd dmi dml dmm dmx dxd dxi dxl dxx i-d idd idi idl idm idx iid iii iil iim iix il- ild ili ill ilm ilx im- imd imi iml imm imx ixi ixl ldd ldi ldl ldm lid lii lil lim lix lld lli lll llm lmd lmi lml lmm lxd lxi lxx mdd mdi mdl mdm mdx mi- mid mii mil mim mix mld mli mll mlm mlx mmd mmi mml mmm mmx mxd mxi mxl xdi xdm xii xix xld xli xlm xmd xmi xml xmm xmx xxi xxl xxx