I wanted to emphasize to my students that spell-check will not catch all wrong words; it finds misspellings only. So I composed the following paragraph in which every word is wrong. Spell-check, of course, found no mistakes.
Yeast or day, eye wend two thee stupor mark it end baud sum meet, verge tables, end udder thinks wee kneaded fir diner. The hole palace wash vary crowed, end wee cold knot fined an plays too part hour card. Aviary buddy washout slopping be caws thee whether rapport hat predicated twelfth inching offs no. Thee story wash crowed to; pee pull ware by ink aviary think inn cite. Thee story mangers where ruining a round try ink too mauve the costumers outer their ass fat ass possibly. Wee dint furnish hour stopping, butt wee god watt wee kneaded.
Here's another one (an udder won):
Stew dents, pleas bee cared full: Donut thing thee spill chick well ketch awl missed takes. Its vary lamented end well ketch own lee you’re spilling arrows. Spill chick cant till weather thee ward yew ewes happenings too bee thee rite won oar thee wrung won. It doe snot no watt warts mien but jest house two spill. The pogrom lax art and fish all intransigence. Sew, aviary rider wood bee whys too poof reed. Ewe probably well knot rite parry giraffes suck asp theses, butt yew mite ewes sum incorrupt wards. Granite, theses snot thee weigh your gong too write, event udder press sure. These parry graph swerves ass and eggs ample off watt cold happened wend ewe eggs pecked spill cheek too fined things udder then spilling miss steaks.