Band strengths for electric dipole transitions from ab initio computation: Lio (X 2Π −X 2Π), (A 2Σ+−A 2Σ+), (X 2Π − A 2Σ+); AlO (X 2Σ+−X 2Σ+), (A 2Π −A 2Π), (X 2Σ+−A 2Π), (B 2Σ+−B 2Σ+), (X 2Σ+−B 2Σ+)