Wtf?

A man, a plan, a caret, a ban, a myriad, a sum, a lac,
a liar, a hoop, a pint, a catalpa, a gas, an oil, a
bird, a yell, a vat, a caw, a pax, a wag, a tax, a
nay, a ram, a cap, a yam, a gay, a tsar, a wall, a
car, a luger, a ward, a bin, a woman, a vassal, a
wolf, a tuna, a nit, a pall, a fret, a watt, a bay, a
daub, a tan, a cab, a datum, a gall, a hat, a fag, a
zap, a say, a jaw, a lay, a wet, a gallop, a tug, a
trot, a trap, a tram, a torr, a caper, a top, a tonk,
a toll, a ball, a fair, a sax, a minim, a tenor, a
bass, a passer, a capital, a rut, an amen, a ted, a
cabal, a tang, a sun, an ass, a maw, a sag, a jam, a
dam, a sub, a salt, an axon, a sail, an ad, a wadi, a
radian, a room, a rood, a rip, a tad, a pariah, a
revel, a reel, a reed, a pool, a plug, a pin, a peek,
a parabola, a dog, a pat, a cud, a nu, a fan, a pal, a
rum, a nod, an eta, a lag, an eel, a batik, a mug, a
mot, a nap, a maxim, a mood, a leek, a grub, a gob, a
gel, a drab, a citadel, a total, a cedar, a tap, a
gag, a rat, a manor, a bar, a gal, a cola, a pap, a
yaw, a tab, a raj, a gab, a nag, a pagan, a bag, a
jar, a bat, a way, a papa, a local, a gar, a baron, a
mat, a rag, a gap, a tar, a decal, a tot, a led, a
tic, a bard, a leg, a bog, a burg, a keel, a doom, a
mix, a map, an atom, a gum, a kit, a baleen, a gala, a
ten, a don, a mural, a pan, a faun, a ducat, a pagoda,
a lob, a rap, a keep, a nip, a gulp, a loop, a deer, a
leer, a lever, a hair, a pad, a tapir, a door, a moor,
an aid, a raid, a wad, an alias, an ox, an atlas, a
bus, a madam, a jag, a saw, a mass, an anus, a gnat, a
lab, a cadet, an em, a natural, a tip, a caress, a
pass, a baronet, a minimax, a sari, a fall, a ballot,
a knot, a pot, a rep, a carrot, a mart, a part, a
tort, a gut, a poll, a gateway, a law, a jay, a sap, a
zag, a fat, a hall, a gamut, a dab, a can, a tabu, a
day, a batt, a waterfall, a patina, a nut, a flow, a
lass, a van, a mow, a nib, a draw, a regular, a call,
a war, a stay, a gam, a yap, a cam, a ray, an ax, a
tag, a wax, a paw, a cat, a valley, a drib, a lion, a
saga, a plat, a catnip, a pooh, a rail, a calamus, a
dairyman, a bater, a canal -- Panama!

This is the biggest palindrome :) ... now read it backwards...