Problem: Add spaces: Thedevicecanwakeyouusingvibration,soasnottodisturbanyoneelsesleepingintheroom.

Spaces added: The device can wake you using vibration, so as not to disturb anyone else sleeping in the room.
This text is missing some spaces, please add them: Driveyourmonstertruckbeachbuggyasfastasyoucan...
Drive your monster truck beach buggy as fast as you can...
input question: Fix spacing: Thebirdswereanimportantgroupofdinosaursgaverisetobeforetheywentunder.

output answer: The birds were an important group of dinosaurs gave rise to before they went under.
Problem: Two-roomapartmentwithasmalllivingroomwithkitchenette,adoublebedroomwithen-suitebathroom.
What's a sentence that uses these characters?
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Two-room apartment with a small living room with kitchenette, a double bedroom with en-suite bathroom.
Add spaces: Sporting,huntingortarget-shootingshotguns,single-barrelled,smoothbore(excl.muzzle-loadingfirearmsandspring,airorgasguns)

Answer: Sporting, hunting or target-shooting shotguns, single-barrelled, smooth bore (excl. muzzle-loading firearms and spring, air or gas guns)
This text is missing some spaces, please add them: AndGodsaidtoAbraham,[Asto]Saraithywife,thoushaltnotcallhernameSarai,butSarahshallbehername.
And God said to Abraham, [As to] Sarai thy wife, thou shalt not call her name Sarai, but Sarah shall be her name.