abo, Arno, aro, Austro, auto, Barlow, bono, borrow, Bravo, cargo, cargoes, Carlo, Caro, charcoal, cocoa, Colo, Como, follow, foremost, grotto, hollow, homo, hormone, lago, largo, loco, Malo, Marco, mono, Moro, Moscow, motto, novo, ono, oro, Otho, Otto, Paulo, photo, Polo, Porto, quarto, Roscoe, solo, sorrow, Strabo, swallow, thorough, torso, toto, wallow, wardrobe

Apollo, bravado, Chicago, Dorado, embargo, Leonardo, Morocco, mulatto, Palazzo, Ricardo, Romano, soprano, staccato, tomato, tomorrow, tomorrow's

Colorado, metamorphosed, Santiago, virtuoso