lowest     -> ['lowest</w>']
newer      -> ['newer</w>']
wider      -> ['wide', 'r</w>']
widening   -> ['wide', 'n', 'i', 'n', 'g', '</w>']
slowest    -> ['s', 'lowest</w>']
lowerer    -> ['lo', 'we', 'r', 'e', 'r</w>']
