SATOR
AREPO
TENET
OPERA
ROTAS

A man, a plan, a canoe, pasta, hero's rajahs, a coloratura, maps, snipe,
percale, macaroni, a gag, a banana bag, a tan, a cat, a mane, paper, a
Toyota, rep, a pen, a mat, a can, a tag, a banana bag again, or: a camel, a
crepe, pins, spam, a rut, a Rolo, cash, a jar, sore hats, a peon, a canal - Panama