Thanks for the suggestion, but I had that earlier and it failed a few tests: there are apostrophes and characters other than consonants, so "not a vowel" is not necessarily "a consonant".

"Don't reinvent the wheel."

How does this solve the issue of two spaces between sentences? That's the only issue I had..

The reason for the +5 in the initial problem is for the five-second-rule.

Mmmmm, floor pie.

Other than your abhorrent lack of whitespace, this is easily my favorite answer. It is code that is descriptive enough to not need comments.

Feels good when my solution matches the top one.

Many below are likely more efficient, but it feels nice anyway.

This is one of those examples where the one-liner is more difficult to read than a plain ol' loop.

It is a work of art.

Ah, snake_case. Get's my vote.

...12 months ago I would have laughed at the idea that a naming convention could influence my opinion.