Default setup applied to this editor:

Arial Comic Sans MS Courier New Georgia Impact Sans Serif Tahoma Times New Roman Verdana Size 1 Size 2 Size 3 Size 4 Size 5 Size 6 Size 7 H1 H2 H3 H4 H5 H6

Customized toolbar and openImageLibrary addon applied to this editor:

Arial Comic Sans MS Courier New Georgia Impact Sans Serif Tahoma Times New Roman Verdana Size 1 Size 2 Size 3 Size 4 Size 5 Size 6 Size 7 H1 H2 H3 H4 H5 H6

A really small setup applied to this editor:

Arial Comic Sans MS Courier New Georgia Impact Sans Serif Tahoma Times New Roman Verdana Size 1 Size 2 Size 3 Size 4 Size 5 Size 6 Size 7