four-foot four-four four-spot four-tops frootoops frostroot frou-frou froufrous furfurous off-sorts oosporous oostpoort optsoutof orto-surt outofpuff outsports poorsport popsoffto poto-poto pro-tutor proprotor protofour puff-puff purpurous putt-putt puttputts rooftruss rot-proof rotproofs rustproof sourstuff sous-sous sportspro spoutsoff stooppots stuporous susurrous top-posts torturous tourstour trustport tuff-tuff tuotuorou tuttototo up-or-out