CONTRAPONE

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acne acre aeon aero anon ante aper arco atop cane cant cape capo care carn carp cart cate cent cero coat cone conn coon coop coot cope core corn cote crap crop earn etna nape narc neap near neat neon nona none noon nope nota note once onto open orca pace pact pane pant pare part pate pean pear peat pent peon pert poco poet pone poon poor pore porn port prao prat proa race rant rape rapt rate rato reap rent repo roan root rope rota rote roto tace taco tape tare tarn taro tarp tear tepa tern toea tone toon tope topo tora torc tore torn toro trap trop