Adding slab, stairs, and walls for:
Smooth basalt
Calcite
Tuff
Deepslate
End stone
Amethyst
All Terracotta
Adding Slabs for:
Glazed terracotta, these function directionally as expected, if you place a double slab, the direction is based on the second slab placed.
Adding Walls for:
Polished Andesite
Polished Granite
Prismarine Bricks
Dark Prismarine
Smooth Quartz
Purpur Blocks
Smooth Sandstone
Smooth red sandstone
Adding slabs and stairs for:
Polished Basalt
Basalt