four-leaf four-leaf clover four-leaf clovers four-legged four-legged friend four-legged friends four-letter four-letter word four-letter words four-level four-man four-man team four-member four-minute four-minute mile four-month four-month period four-month-old four-one four-panel four-part four-part harmony four-party four-person four-phase four-piece four-piece band four-player four-point four-poster bed four-pronged four-room four-seat four-seater four-sided four-speed four-speed automatic four-speed transmission four-square four-stage four-star four-star general four-star generals four-star hotel four-star hotels four-star restaurant four-step four-step process four-storey four-storey building four-story four-story building four-stroke four-stroke engine four-stroke engines four-time four-time world four-volume four-way four-way intersection four-way stop four-way valve four-week four-wheel four-wheel drive four-wheel drive system four-wheel drive vehicle four-wheel drive vehicles four-wheel steering four-wheel-drive four-wheel-drive vehicles four-wheeled four-wheeled vehicle four-wheeler four-wing four-wire four-year four-year college four-year colleges four-year course four-year degree four-year hiatus four-year high four-year institutions four-year old four-year period four-year plan four-year term four-year undergraduate four-year university four-year-old four-year-old boy four-year-old girl fourche fourchette fourdrinier fourfold increase fourie fourier